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Програмування","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-fundamentals","01.csharp\u002F07.system-programming-windows\u002F12.async-fundamentals",{"title":344,"path":345,"stem":346},"SynchronizationContext та ConfigureAwait — Контекст Виконання","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-context-configureawait","01.csharp\u002F07.system-programming-windows\u002F13.async-context-configureawait",{"title":348,"path":349,"stem":350},"Async — Просунуті Паттерни","\u002Fcsharp\u002Fsystem-programming-windows\u002Fasync-advanced","01.csharp\u002F07.system-programming-windows\u002F14.async-advanced",{"title":352,"path":353,"stem":354},"System.Threading.Channels — Async Producer-Consumer","\u002Fcsharp\u002Fsystem-programming-windows\u002Fchannels","01.csharp\u002F07.system-programming-windows\u002F15.channels",{"title":356,"path":357,"stem":358},"Асинхронна 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ОС","\u002Fcsharp\u002Fsystem-programming-windows\u002Fwindows-hooks-services","01.csharp\u002F07.system-programming-windows\u002F20.windows-hooks-services",{"title":376,"path":377,"stem":378},"Системне Програмування C# (Windows) — 07.system-programming-windows","\u002Fcsharp\u002Fsystem-programming-windows\u002Fimplementation_plan","01.csharp\u002F07.system-programming-windows\u002Fimplementation_plan",{"title":380,"icon":132,"path":381,"stem":382,"children":383,"page":59},"Io","\u002Fcsharp\u002Fio","01.csharp\u002F08.io",[384,388,392,396,400],{"title":385,"path":386,"stem":387},"8.1.1. Основи роботи з файловою системою","\u002Fcsharp\u002Fio\u002Ffile-system-basics","01.csharp\u002F08.io\u002F01.file-system-basics",{"title":389,"path":390,"stem":391},"8.1.2. Потоки (Streams) та Серіалізація Даних","\u002Fcsharp\u002Fio\u002Fstreams-serialization","01.csharp\u002F08.io\u002F02.streams-serialization",{"title":393,"path":394,"stem":395},"8.2.1. JSON Serialization з System.Text.Json","\u002Fcsharp\u002Fio\u002Fjson-serialization","01.csharp\u002F08.io\u002F03.json-serialization",{"title":397,"path":398,"stem":399},"8.2.2. XML Serialization та LINQ to XML","\u002Fcsharp\u002Fio\u002Fxml-serialization","01.csharp\u002F08.io\u002F04.xml-serialization",{"title":401,"path":402,"stem":403},"8.2.3. Binary Serialization: MessagePack та Protocol Buffers","\u002Fcsharp\u002Fio\u002Fbinary-serialization","01.csharp\u002F08.io\u002F05.binary-serialization",{"title":405,"icon":132,"path":406,"stem":407,"children":408,"page":59},"Ado Net","\u002Fcsharp\u002Fado-net","01.csharp\u002F09.ado-net",[409,413,417,421,425,429,433,437,441,445,449,453],{"title":410,"path":411,"stem":412},"9.1. Введення в ADO.NET","\u002Fcsharp\u002Fado-net\u002Fintroduction-to-adonet","01.csharp\u002F09.ado-net\u002F01.introduction-to-adonet",{"title":414,"path":415,"stem":416},"9.2. Клас DbConnection — з'єднання з базою даних","\u002Fcsharp\u002Fado-net\u002Fconnection","01.csharp\u002F09.ado-net\u002F02.connection",{"title":418,"path":419,"stem":420},"9.3. Клас DbCommand — виконання SQL-запитів","\u002Fcsharp\u002Fado-net\u002Fcommand-and-queries","01.csharp\u002F09.ado-net\u002F03.command-and-queries",{"title":422,"path":423,"stem":424},"9.4. Клас DbDataReader — ефективне читання даних","\u002Fcsharp\u002Fado-net\u002Fdatareader","01.csharp\u002F09.ado-net\u002F04.datareader",{"title":426,"path":427,"stem":428},"9.5. Параметризовані запити та захист від SQL Injection","\u002Fcsharp\u002Fado-net\u002Fparameters-and-sql-injection","01.csharp\u002F09.ado-net\u002F05.parameters-and-sql-injection",{"title":430,"path":431,"stem":432},"9.6. Транзакції в ADO.NET","\u002Fcsharp\u002Fado-net\u002Ftransactions","01.csharp\u002F09.ado-net\u002F06.transactions",{"title":434,"path":435,"stem":436},"9.7. DbProviderFactory — провайдер-незалежний код","\u002Fcsharp\u002Fado-net\u002Fprovider-factory","01.csharp\u002F09.ado-net\u002F07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","\u002Fcsharp\u002Fado-net\u002Fasync-data-access","01.csharp\u002F09.ado-net\u002F08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","\u002Fcsharp\u002Fado-net\u002Fdisconnected-mode-dataset","01.csharp\u002F09.ado-net\u002F09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","\u002Fcsharp\u002Fado-net\u002Fdata-adapter","01.csharp\u002F09.ado-net\u002F10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","\u002Fcsharp\u002Fado-net\u002Fdata-mapper-repository","01.csharp\u002F09.ado-net\u002F11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","\u002Fcsharp\u002Fado-net\u002Fadvanced-patterns","01.csharp\u002F09.ado-net\u002F12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","\u002Fcsharp\u002Fef-core","01.csharp\u002F10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","\u002Fcsharp\u002Fef-core\u002Fwhat-is-orm","01.csharp\u002F10.ef-core\u002F01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","\u002Fcsharp\u002Fef-core\u002Ffirst-project","01.csharp\u002F10.ef-core\u002F02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","\u002Fcsharp\u002Fef-core\u002Fdbcontext-deep-dive","01.csharp\u002F10.ef-core\u002F03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","\u002Fcsharp\u002Fef-core\u002Fdatabase-providers","01.csharp\u002F10.ef-core\u002F04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","\u002Fcsharp\u002Fef-core\u002Fconventions","01.csharp\u002F10.ef-core\u002F05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","\u002Fcsharp\u002Fef-core\u002Ffluent-api-vs-annotations","01.csharp\u002F10.ef-core\u002F06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","\u002Fcsharp\u002Fef-core\u002Frelationships-basics","01.csharp\u002F10.ef-core\u002F07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","\u002Fcsharp\u002Fef-core\u002Frelationships-advanced","01.csharp\u002F10.ef-core\u002F08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part1","01.csharp\u002F10.ef-core\u002F09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fproperty-configuration-part2","01.csharp\u002F10.ef-core\u002F09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part1","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fcomplex-types-owned-part2","01.csharp\u002F10.ef-core\u002F10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part1","01.csharp\u002F10.ef-core\u002F11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fjson-columns-part2","01.csharp\u002F10.ef-core\u002F11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finheritance-part1","01.csharp\u002F10.ef-core\u002F12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finheritance-part2","01.csharp\u002F10.ef-core\u002F12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part1","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","\u002Fcsharp\u002Fef-core\u002Findexes-constraints-part2","01.csharp\u002F10.ef-core\u002F13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fseeding-part1","01.csharp\u002F10.ef-core\u002F14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fseeding-part2","01.csharp\u002F10.ef-core\u002F14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part1","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fglobal-query-filters-part2","01.csharp\u002F10.ef-core\u002F15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part1","01.csharp\u002F10.ef-core\u002F16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","\u002Fcsharp\u002Fef-core\u002Flinq-queries-part2","01.csharp\u002F10.ef-core\u002F16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part1","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","\u002Fcsharp\u002Fef-core\u002Floading-related-data-part2","01.csharp\u002F10.ef-core\u002F17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part1","01.csharp\u002F10.ef-core\u002F18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fraw-sql-part2","01.csharp\u002F10.ef-core\u002F18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part1","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fadvanced-queries-part2","01.csharp\u002F10.ef-core\u002F19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part1","01.csharp\u002F10.ef-core\u002F20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fchange-tracking-part2","01.csharp\u002F10.ef-core\u002F20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part1","01.csharp\u002F10.ef-core\u002F21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fsaving-data-part2","01.csharp\u002F10.ef-core\u002F21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part1","01.csharp\u002F10.ef-core\u002F22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fconcurrency-part2","01.csharp\u002F10.ef-core\u002F22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part1","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-basics-part2","01.csharp\u002F10.ef-core\u002F23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part1","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fmigrations-advanced-part2","01.csharp\u002F10.ef-core\u002F24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part1","01.csharp\u002F10.ef-core\u002F25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","\u002Fcsharp\u002Fef-core\u002Fschema-management-part2","01.csharp\u002F10.ef-core\u002F25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","\u002Fcsharp\u002Fef-core\u002Fperformance-fundamentals-part1","01.csharp\u002F10.ef-core\u002F26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part1","01.csharp\u002F10.ef-core\u002F29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","\u002Fcsharp\u002Fef-core\u002Finterceptors-part2","01.csharp\u002F10.ef-core\u002F29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","\u002Fcsharp\u002Fef-core\u002Fimplementation_plan","01.csharp\u002F10.ef-core\u002Fimplementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","\u002Fcsharp\u002Faspnet","01.csharp\u002F11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289,1346],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","\u002Fcsharp\u002Faspnet\u002Fminimal-api","01.csharp\u002F11.aspnet\u002F01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fintroduction","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Ffirst-application","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fwebapplication-builder","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frequest-pipeline-middleware","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Frouting-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-files","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstatic-assets","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-fundamentals","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fconfiguration-options","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-basics","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Flogging-advanced","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fstate-management","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fsession-state","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fproject-structure","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fscalar-openapi-fluent","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger \u002F Swashbuckle у Minimal API: окремий класичний шлях","\u002Fcsharp\u002Faspnet\u002Fminimal-api\u002Fswagger-swashbuckle","01.csharp\u002F11.aspnet\u002F01.minimal-api\u002F17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","\u002Fcsharp\u002Faspnet\u002Fapi","01.csharp\u002F11.aspnet\u002F02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fwhat-is-api","01.csharp\u002F11.aspnet\u002F02.api\u002F01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fdata-formats","01.csharp\u002F11.aspnet\u002F02.api\u002F02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-paradigms-rest","01.csharp\u002F11.aspnet\u002F02.api\u002F03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fhttp-methods-status-codes","01.csharp\u002F11.aspnet\u002F02.api\u002F04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","\u002Fcsharp\u002Faspnet\u002Fapi\u002Frest-organizing","01.csharp\u002F11.aspnet\u002F02.api\u002F05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","\u002Fcsharp\u002Faspnet\u002Fapi\u002Furl-nomenclature-crud","01.csharp\u002F11.aspnet\u002F02.api\u002F06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-naming","01.csharp\u002F11.aspnet\u002F02.api\u002F07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-validation","01.csharp\u002F11.aspnet\u002F02.api\u002F08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Ferror-handling-http","01.csharp\u002F11.aspnet\u002F02.api\u002F09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fidempotency-sync","01.csharp\u002F11.aspnet\u002F02.api\u002F10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fpagination-lists","01.csharp\u002F11.aspnet\u002F02.api\u002F11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fsecurity-auth","01.csharp\u002F11.aspnet\u002F02.api\u002F12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fapi-design-process","01.csharp\u002F11.aspnet\u002F02.api\u002F13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","\u002Fcsharp\u002Faspnet\u002Fapi\u002Fopenapi","01.csharp\u002F11.aspnet\u002F02.api\u002F14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","\u002Fcsharp\u002Faspnet\u002Fauth","01.csharp\u002F11.aspnet\u002F03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauth-fundamentals","01.csharp\u002F11.aspnet\u002F03.auth\u002F01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fjwt-authentication","01.csharp\u002F11.aspnet\u002F03.auth\u002F02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fauthorization-policies","01.csharp\u002F11.aspnet\u002F03.auth\u002F03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcookie-auth-identity","01.csharp\u002F11.aspnet\u002F03.auth\u002F04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","\u002Fcsharp\u002Faspnet\u002Fauth\u002F04b.identity-auth-jwt","01.csharp\u002F11.aspnet\u002F03.auth\u002F04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-email-confirmation","01.csharp\u002F11.aspnet\u002F03.auth\u002F05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-two-factor","01.csharp\u002F11.aspnet\u002F03.auth\u002F06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fidentity-internals","01.csharp\u002F11.aspnet\u002F03.auth\u002F07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-external-providers","01.csharp\u002F11.aspnet\u002F03.auth\u002F08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fsecurity-hardening","01.csharp\u002F11.aspnet\u002F03.auth\u002F09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foauth-theory","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Foidc-keycloak","01.csharp\u002F11.aspnet\u002F03.auth\u002F10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fapi-keys","01.csharp\u002F11.aspnet\u002F03.auth\u002F11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frate-limiting","01.csharp\u002F11.aspnet\u002F03.auth\u002F12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frefresh-token-rotation","01.csharp\u002F11.aspnet\u002F03.auth\u002F13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fcertificate-auth","01.csharp\u002F11.aspnet\u002F03.auth\u002F14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Frbac-abac-rebac","01.csharp\u002F11.aspnet\u002F03.auth\u002F15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fauth\u002Fmulti-tenancy","01.csharp\u002F11.aspnet\u002F03.auth\u002F16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","\u002Fcsharp\u002Faspnet\u002Fnotifications","01.csharp\u002F11.aspnet\u002F04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fin-app-database-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fpolling","01.csharp\u002F11.aspnet\u002F04.notifications\u002F02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fserver-sent-events","01.csharp\u002F11.aspnet\u002F04.notifications\u002F03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fwebsockets","01.csharp\u002F11.aspnet\u002F04.notifications\u002F04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fsignalr","01.csharp\u002F11.aspnet\u002F04.notifications\u002F05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fbackground-services","01.csharp\u002F11.aspnet\u002F04.notifications\u002F06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fweb-push","01.csharp\u002F11.aspnet\u002F04.notifications\u002F07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Femail-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fchoosing-the-right-approach","01.csharp\u002F11.aspnet\u002F04.notifications\u002F09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire","01.csharp\u002F11.aspnet\u002F04.notifications\u002F10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-image-webp","01.csharp\u002F11.aspnet\u002F04.notifications\u002F11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Fhangfire-video-hls","01.csharp\u002F11.aspnet\u002F04.notifications\u002F12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","\u002Fcsharp\u002Faspnet\u002Fnotifications\u002Ftelegram-notifications","01.csharp\u002F11.aspnet\u002F04.notifications\u002F13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","\u002Fcsharp\u002Faspnet\u002Fi18n","01.csharp\u002F11.aspnet\u002F05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Finternationalization","01.csharp\u002F11.aspnet\u002F05.i18n\u002F01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","\u002Fcsharp\u002Faspnet\u002Fi18n\u002Fhumanizer","01.csharp\u002F11.aspnet\u002F05.i18n\u002F02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","\u002Fcsharp\u002Faspnet\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fcaching","01.csharp\u002F11.aspnet\u002F06.caching\u002F01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fmemory-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fdistributed-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Fresponse-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","\u002Fcsharp\u002Faspnet\u002Fcaching\u002Foutput-cache","01.csharp\u002F11.aspnet\u002F06.caching\u002F05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","\u002Fcsharp\u002Faspnet\u002Ftesting","01.csharp\u002F11.aspnet\u002F07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-is-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-pyramid","01.csharp\u002F11.aspnet\u002F07.testing\u002F02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-schools","01.csharp\u002F11.aspnet\u002F07.testing\u002F03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftdd-and-bdd","01.csharp\u002F11.aspnet\u002F07.testing\u002F04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwhat-to-test","01.csharp\u002F11.aspnet\u002F07.testing\u002F05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftest-frameworks","01.csharp\u002F11.aspnet\u002F07.testing\u002F06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-basics","01.csharp\u002F11.aspnet\u002F07.testing\u002F07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fxunit-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fmocking-with-moq","01.csharp\u002F11.aspnet\u002F07.testing\u002F09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fdatabase-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","\u002Fcsharp\u002Faspnet\u002Ftesting\u002F11a.integration-testing-practice","01.csharp\u002F11.aspnet\u002F07.testing\u002F11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fintegration-testing-advanced","01.csharp\u002F11.aspnet\u002F07.testing\u002F12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fpostman-professional","01.csharp\u002F11.aspnet\u002F07.testing\u002F13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fhttpclient-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fwiremock-net","01.csharp\u002F11.aspnet\u002F07.testing\u002F15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Ftesting-patterns","01.csharp\u002F11.aspnet\u002F07.testing\u002F16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fadvanced-testing-tools","01.csharp\u002F11.aspnet\u002F07.testing\u002F17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Farchitecture-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fperformance-testing","01.csharp\u002F11.aspnet\u002F07.testing\u002F19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","\u002Fcsharp\u002Faspnet\u002Ftesting\u002Fremaining_plan","01.csharp\u002F11.aspnet\u002F07.testing\u002Fremaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","\u002Fcsharp\u002Faspnet\u002Fpayments","01.csharp\u002F11.aspnet\u002F08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-fundamentals","01.csharp\u002F11.aspnet\u002F08.payments\u002F01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-methods-ukraine","01.csharp\u002F11.aspnet\u002F08.payments\u002F02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpci-dss-security","01.csharp\u002F11.aspnet\u002F08.payments\u002F03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fpayment-architecture","01.csharp\u002F11.aspnet\u002F08.payments\u002F04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fliqpay-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fmonobank-acquiring","01.csharp\u002F11.aspnet\u002F08.payments\u002F06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fstripe-integration","01.csharp\u002F11.aspnet\u002F08.payments\u002F07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fwebhooks-deep-dive","01.csharp\u002F11.aspnet\u002F08.payments\u002F08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fsubscriptions-recurring","01.csharp\u002F11.aspnet\u002F08.payments\u002F09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Frefunds-disputes","01.csharp\u002F11.aspnet\u002F08.payments\u002F10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Ftesting-payments","01.csharp\u002F11.aspnet\u002F08.payments\u002F11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","\u002Fcsharp\u002Faspnet\u002Fpayments\u002Fproduction-checklist","01.csharp\u002F11.aspnet\u002F08.payments\u002F12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","\u002Fcsharp\u002Faspnet\u002Flibraries","01.csharp\u002F11.aspnet\u002F09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-validation","01.csharp\u002F11.aspnet\u002F09.libraries\u002F01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmapster","01.csharp\u002F11.aspnet\u002F09.libraries\u002F02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ferroror-result-pattern","01.csharp\u002F11.aspnet\u002F09.libraries\u002F03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fserilog","01.csharp\u002F11.aspnet\u002F09.libraries\u002F04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fmediatr","01.csharp\u002F11.aspnet\u002F09.libraries\u002F05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fpolly","01.csharp\u002F11.aspnet\u002F09.libraries\u002F06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F09.libraries\u002F07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffeature-management","01.csharp\u002F11.aspnet\u002F09.libraries\u002F08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Ffluent-email","01.csharp\u002F11.aspnet\u002F09.libraries\u002F09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fquest-pdf","01.csharp\u002F11.aspnet\u002F09.libraries\u002F10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fbogus","01.csharp\u002F11.aspnet\u002F09.libraries\u002F11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fhumanizer-guard","01.csharp\u002F11.aspnet\u002F09.libraries\u002F12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","\u002Fcsharp\u002Faspnet\u002Flibraries\u002Fplan","01.csharp\u002F11.aspnet\u002F09.libraries\u002Fplan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","\u002Fcsharp\u002Faspnet\u002Frazor-pages","01.csharp\u002F11.aspnet\u002F10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ffrom-minimal-api","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fpage-model","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Frazor-syntax","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Ftag-helpers","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fforms-validation","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","\u002Fcsharp\u002Faspnet\u002Frazor-pages\u002Fproject-task-manager","01.csharp\u002F11.aspnet\u002F10.razor-pages\u002F06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc","01.csharp\u002F11.aspnet\u002F11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-pattern","01.csharp\u002F11.aspnet\u002F11.mvc\u002F01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffrom-razor-pages","01.csharp\u002F11.aspnet\u002F11.mvc\u002F02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fcontrollers-actions","01.csharp\u002F11.aspnet\u002F11.mvc\u002F03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Frouting-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmodel-binding","01.csharp\u002F11.aspnet\u002F11.mvc\u002F05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fviews-viewdata-tempdata","01.csharp\u002F11.aspnet\u002F11.mvc\u002F06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffilters","01.csharp\u002F11.aspnet\u002F11.mvc\u002F07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fareas","01.csharp\u002F11.aspnet\u002F11.mvc\u002F08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fview-components","01.csharp\u002F11.aspnet\u002F11.mvc\u002F09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fdisplay-editor-templates","01.csharp\u002F11.aspnet\u002F11.mvc\u002F10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fvalidation-advanced","01.csharp\u002F11.aspnet\u002F11.mvc\u002F11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx","01.csharp\u002F11.aspnet\u002F11.mvc\u002F12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fajax-htmx-mvc","01.csharp\u002F11.aspnet\u002F11.mvc\u002F13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fhtmx-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Ffile-upload","01.csharp\u002F11.aspnet\u002F11.mvc\u002F15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fglobalization-localization","01.csharp\u002F11.aspnet\u002F11.mvc\u002F16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fmvc-project","01.csharp\u002F11.aspnet\u002F11.mvc\u002F17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","\u002Fcsharp\u002Faspnet\u002Fmvc\u002Fplan","01.csharp\u002F11.aspnet\u002F11.mvc\u002Fplan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","\u002Fcsharp\u002Faspnet\u002Fweb-api","01.csharp\u002F11.aspnet\u002F12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffrom-minimal-api-to-controllers","01.csharp\u002F11.aspnet\u002F12.web-api\u002F01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontroller-base-actionresult","01.csharp\u002F11.aspnet\u002F12.web-api\u002F02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fcontent-negotiation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-versioning","01.csharp\u002F11.aspnet\u002F12.web-api\u002F04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fproblemdetails-error-handling","01.csharp\u002F11.aspnet\u002F12.web-api\u002F05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Ffilters-for-api","01.csharp\u002F11.aspnet\u002F12.web-api\u002F06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fpagination-filtering-sorting","01.csharp\u002F11.aspnet\u002F12.web-api\u002F07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhateoas-resource-expansion","01.csharp\u002F11.aspnet\u002F12.web-api\u002F08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fminimal-api-vs-controllers-hybrid","01.csharp\u002F11.aspnet\u002F12.web-api\u002F09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fapi-documentation-generation","01.csharp\u002F11.aspnet\u002F12.web-api\u002F10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fhealth-checks-monitoring","01.csharp\u002F11.aspnet\u002F12.web-api\u002F11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fweb-api-project","01.csharp\u002F11.aspnet\u002F12.web-api\u002F12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","\u002Fcsharp\u002Faspnet\u002Fweb-api\u002Fplan","01.csharp\u002F11.aspnet\u002F12.web-api\u002Fplan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Моніторинг","i-lucide-activity","\u002Fcsharp\u002Faspnet\u002Fmonitoring","01.csharp\u002F11.aspnet\u002F13.monitoring",[1352,1356,1360],{"title":1353,"path":1354,"stem":1355},"Спостережуваність: від console.log до production-систем","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fobservability-intro","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F01.observability-intro",{"title":1357,"path":1358,"stem":1359},"Health Checks: перший рівень observability","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fhealth-checks","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F02.health-checks",{"title":1361,"path":1362,"stem":1363},"Вбудовані метрики .NET 10 та System.Diagnostics.Metrics","\u002Fcsharp\u002Faspnet\u002Fmonitoring\u002Fdotnet-metrics","01.csharp\u002F11.aspnet\u002F13.monitoring\u002F03.dotnet-metrics",{"title":1365,"icon":1366,"path":1367,"stem":1368,"children":1369,"page":59},"Desktop UI","i-lucide-app-window","\u002Fcsharp\u002Fdesktop-ui","01.csharp\u002F12.desktop-ui",[1370,1374,1378,1382,1386,1390,1394,1398,1402,1406,1410,1414,1418,1422,1426,1430,1434,1438,1442,1446,1450,1454,1458,1462,1466,1470,1474,1478,1482,1486,1490,1494,1498,1502,1506,1510,1514,1518,1522,1526,1530,1534,1538,1542,1546,1550,1554,1558,1562,1566,1570,1574,1578,1582,1586,1590,1594,1598,1602,1606,1610,1614,1618,1622,1626,1630,1634,1638,1642,1646,1650],{"title":1371,"path":1372,"stem":1373},"Що таке десктопна розробка?","\u002Fcsharp\u002Fdesktop-ui\u002Fwhat-is-desktop-dev","01.csharp\u002F12.desktop-ui\u002F01.what-is-desktop-dev",{"title":1375,"path":1376,"stem":1377},"Архітектура WPF — як влаштований графічний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-architecture","01.csharp\u002F12.desktop-ui\u002F02.wpf-architecture",{"title":1379,"path":1380,"stem":1381},"Перший WPF-проєкт — від нуля до вікна","\u002Fcsharp\u002Fdesktop-ui\u002Ffirst-wpf-app","01.csharp\u002F12.desktop-ui\u002F03.first-wpf-app",{"title":1383,"path":1384,"stem":1385},"Перший Avalonia-проєкт: WPF для всіх платформ","\u002Fcsharp\u002Fdesktop-ui\u002F03a.first-avalonia-app","01.csharp\u002F12.desktop-ui\u002F03a.first-avalonia-app",{"title":1387,"path":1388,"stem":1389},"XAML: декларативний інтерфейс","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-basics","01.csharp\u002F12.desktop-ui\u002F04.xaml-basics",{"title":1391,"path":1392,"stem":1393},"Fluent UI у WPF — сучасний дизайн Windows 11","\u002Fcsharp\u002Fdesktop-ui\u002F04a.wpf-fluent-ui","01.csharp\u002F12.desktop-ui\u002F04a.wpf-fluent-ui",{"title":1395,"path":1396,"stem":1397},"WPF UI — сучасна бібліотека Fluent контролів","\u002Fcsharp\u002Fdesktop-ui\u002F04b.wpf-ui-library","01.csharp\u002F12.desktop-ui\u002F04b.wpf-ui-library",{"title":1399,"path":1400,"stem":1401},"HandyControl — велика бібліотека UI контролів для WPF","\u002Fcsharp\u002Fdesktop-ui\u002F04c.handycontrol-library","01.csharp\u002F12.desktop-ui\u002F04c.handycontrol-library",{"title":1403,"path":1404,"stem":1405},"Простори імен та ресурси XAML","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-namespaces-resources","01.csharp\u002F12.desktop-ui\u002F05.xaml-namespaces-resources",{"title":1407,"path":1408,"stem":1409},"XAML в Avalonia: ключові відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F05a.avalonia-xaml-differences","01.csharp\u002F12.desktop-ui\u002F05a.avalonia-xaml-differences",{"title":1411,"path":1412,"stem":1413},"Розширення розмітки XAML (Markup Extensions)","\u002Fcsharp\u002Fdesktop-ui\u002Fxaml-markup-extensions","01.csharp\u002F12.desktop-ui\u002F06.xaml-markup-extensions",{"title":1415,"path":1416,"stem":1417},"Панелі Layout: StackPanel, WrapPanel, DockPanel","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part1","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part1",{"title":1419,"path":1420,"stem":1421},"Grid, Canvas, UniformGrid","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-panels-part2","01.csharp\u002F12.desktop-ui\u002F07.layout-panels-part2",{"title":1423,"path":1424,"stem":1425},"Просунуті техніки Layout","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-advanced","01.csharp\u002F12.desktop-ui\u002F08.layout-advanced",{"title":1427,"path":1428,"stem":1429},"Адаптивний Layout та найкращі практики","\u002Fcsharp\u002Fdesktop-ui\u002Flayout-responsive","01.csharp\u002F12.desktop-ui\u002F09.layout-responsive",{"title":1431,"path":1432,"stem":1433},"Layout в Avalonia: відмінності та нові можливості","\u002Fcsharp\u002Fdesktop-ui\u002F09a.layout-avalonia","01.csharp\u002F12.desktop-ui\u002F09a.layout-avalonia",{"title":1435,"path":1436,"stem":1437},"Button, Image, ProgressBar та інші базові контроли","\u002Fcsharp\u002Fdesktop-ui\u002Fbasic-controls","01.csharp\u002F12.desktop-ui\u002F10.basic-controls",{"title":1439,"path":1440,"stem":1441},"Контроли в Avalonia: відмінності від WPF","\u002Fcsharp\u002Fdesktop-ui\u002F10a.controls-avalonia","01.csharp\u002F12.desktop-ui\u002F10a.controls-avalonia",{"title":1443,"path":1444,"stem":1445},"Текстові контроли — TextBlock, TextBox, RichTextBox","\u002Fcsharp\u002Fdesktop-ui\u002Ftext-controls","01.csharp\u002F12.desktop-ui\u002F11.text-controls",{"title":1447,"path":1448,"stem":1449},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","\u002Fcsharp\u002Fdesktop-ui\u002Fselection-controls","01.csharp\u002F12.desktop-ui\u002F12.selection-controls",{"title":1451,"path":1452,"stem":1453},"Content Model — GroupBox, Expander, TabControl, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fcontent-controls","01.csharp\u002F12.desktop-ui\u002F13.content-controls",{"title":1455,"path":1456,"stem":1457},"UI\u002FUX принципи десктопних застосунків","\u002Fcsharp\u002Fdesktop-ui\u002F13a.ui-ux-principles","01.csharp\u002F12.desktop-ui\u002F13a.ui-ux-principles",{"title":1459,"path":1460,"stem":1461},"Dependency Properties — Концепція та Value Resolution","\u002Fcsharp\u002Fdesktop-ui\u002Fdependency-properties-part1","01.csharp\u002F12.desktop-ui\u002F14.dependency-properties-part1",{"title":1463,"path":1464,"stem":1465},"Avalonia Property System — StyledProperty та DirectProperty","\u002Fcsharp\u002Fdesktop-ui\u002F14a.avalonia-property-system","01.csharp\u002F12.desktop-ui\u002F14a.avalonia-property-system",{"title":1467,"path":1468,"stem":1469},"Attached Properties — Властивості без меж","\u002Fcsharp\u002Fdesktop-ui\u002Fattached-properties","01.csharp\u002F12.desktop-ui\u002F15.attached-properties",{"title":1471,"path":1472,"stem":1473},"Routed Events — Маршрутизація подій у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Frouted-events","01.csharp\u002F12.desktop-ui\u002F16.routed-events",{"title":1475,"path":1476,"stem":1477},"Data Binding — Від Code-Behind до Декларативності","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part1","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part1",{"title":1479,"path":1480,"stem":1481},"INotifyPropertyChanged — Живе оновлення UI","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-basics-part2","01.csharp\u002F12.desktop-ui\u002F17.data-binding-basics-part2",{"title":1483,"path":1484,"stem":1485},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","\u002Fcsharp\u002Fdesktop-ui\u002F17a.avalonia-compiled-bindings","01.csharp\u002F12.desktop-ui\u002F17a.avalonia-compiled-bindings",{"title":1487,"path":1488,"stem":1489},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-binding-advanced","01.csharp\u002F12.desktop-ui\u002F18.data-binding-advanced",{"title":1491,"path":1492,"stem":1493},"Value Converters — Перетворення типів даних у Data Binding","\u002Fcsharp\u002Fdesktop-ui\u002Fvalue-converters","01.csharp\u002F12.desktop-ui\u002F19.value-converters",{"title":1495,"path":1496,"stem":1497},"Data Templates — Візуалізація об'єктів у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-templates","01.csharp\u002F12.desktop-ui\u002F20.data-templates",{"title":1499,"path":1500,"stem":1501},"Collections Binding Part 1 — ObservableCollection та ItemsControl","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part1","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part1",{"title":1503,"path":1504,"stem":1505},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","\u002Fcsharp\u002Fdesktop-ui\u002Fcollections-binding-part2","01.csharp\u002F12.desktop-ui\u002F21.collections-binding-part2",{"title":1507,"path":1508,"stem":1509},"MVVM Pattern — Від Spaghetti Code до архітектури","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-pattern","01.csharp\u002F12.desktop-ui\u002F22.mvvm-pattern",{"title":1511,"path":1512,"stem":1513},"ViewModel Implementation — Від BaseViewModel до валідації","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-implementation","01.csharp\u002F12.desktop-ui\u002F23.viewmodel-implementation",{"title":1515,"path":1516,"stem":1517},"Commands — Від event handlers до декларативних команд","\u002Fcsharp\u002Fdesktop-ui\u002Fcommands","01.csharp\u002F12.desktop-ui\u002F24.commands",{"title":1519,"path":1520,"stem":1521},"MVVM Toolkit — MVVM без boilerplate через Source Generators","\u002Fcsharp\u002Fdesktop-ui\u002Fmvvm-toolkit","01.csharp\u002F12.desktop-ui\u002F25.mvvm-toolkit",{"title":1523,"path":1524,"stem":1525},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","\u002Fcsharp\u002Fdesktop-ui\u002Fmessenger-pattern","01.csharp\u002F12.desktop-ui\u002F26.messenger-pattern",{"title":1527,"path":1528,"stem":1529},"Стилі WPF — CSS для десктопу","\u002Fcsharp\u002Fdesktop-ui\u002Fstyles-basics","01.csharp\u002F12.desktop-ui\u002F27.styles-basics",{"title":1531,"path":1532,"stem":1533},"CSS-like стилі Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F27a.avalonia-css-styling","01.csharp\u002F12.desktop-ui\u002F27a.avalonia-css-styling",{"title":1535,"path":1536,"stem":1537},"Control Templates — Частина 1. Концепція та TemplateBinding","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part1","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part1",{"title":1539,"path":1540,"stem":1541},"Control Templates — Частина 2. Named Parts та ContentPresenter","\u002Fcsharp\u002Fdesktop-ui\u002Fcontrol-templates-part2","01.csharp\u002F12.desktop-ui\u002F28.control-templates-part2",{"title":1543,"path":1544,"stem":1545},"Control Themes в Avalonia — нова ера стилізації","\u002Fcsharp\u002Fdesktop-ui\u002F28a.avalonia-control-themes","01.csharp\u002F12.desktop-ui\u002F28a.avalonia-control-themes",{"title":1547,"path":1548,"stem":1549},"Triggers та Visual State Manager у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Ftriggers-visual-states","01.csharp\u002F12.desktop-ui\u002F29.triggers-visual-states",{"title":1551,"path":1552,"stem":1553},"Pseudo-classes в Avalonia — замість WPF Triggers","\u002Fcsharp\u002Fdesktop-ui\u002F29a.avalonia-pseudo-classes","01.csharp\u002F12.desktop-ui\u002F29a.avalonia-pseudo-classes",{"title":1555,"path":1556,"stem":1557},"Теми та ресурсні словники у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fresources-themes","01.csharp\u002F12.desktop-ui\u002F30.resources-themes",{"title":1559,"path":1560,"stem":1561},"Avalonia Themes — Fluent Design та система тематизації","\u002Fcsharp\u002Fdesktop-ui\u002F30a.avalonia-themes-fluent","01.csharp\u002F12.desktop-ui\u002F30a.avalonia-themes-fluent",{"title":1563,"path":1564,"stem":1565},"Контроли колекцій — глибоке занурення","\u002Fcsharp\u002Fdesktop-ui\u002Fcollection-controls","01.csharp\u002F12.desktop-ui\u002F31.collection-controls",{"title":1567,"path":1568,"stem":1569},"DataGrid — колонки та базове відображення","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part1","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part1",{"title":1571,"path":1572,"stem":1573},"DataGrid — сортування, фільтрація, редагування","\u002Fcsharp\u002Fdesktop-ui\u002Fdatagrid-part2","01.csharp\u002F12.desktop-ui\u002F32.datagrid-part2",{"title":1575,"path":1576,"stem":1577},"TreeView та GridView","\u002Fcsharp\u002Fdesktop-ui\u002Ftreeview-listview","01.csharp\u002F12.desktop-ui\u002F33.treeview-listview",{"title":1579,"path":1580,"stem":1581},"Меню, Toolbar, ContextMenu, StatusBar","\u002Fcsharp\u002Fdesktop-ui\u002Fmenus-toolbars","01.csharp\u002F12.desktop-ui\u002F34.menus-toolbars",{"title":1583,"path":1584,"stem":1585},"Навігація та керування вікнами. Частина 1: вікна та сторінки","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part1","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part1",{"title":1587,"path":1588,"stem":1589},"Навігація та керування вікнами. Частина 2: MVVM-навігація","\u002Fcsharp\u002Fdesktop-ui\u002Fnavigation-windows-part2","01.csharp\u002F12.desktop-ui\u002F35.navigation-windows-part2",{"title":1591,"path":1592,"stem":1593},"Avalonia — Навігація та діалоги","\u002Fcsharp\u002Fdesktop-ui\u002F35a.avalonia-navigation-dialogs","01.csharp\u002F12.desktop-ui\u002F35a.avalonia-navigation-dialogs",{"title":1595,"path":1596,"stem":1597},"Діалоги та File Pickers у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fdialogs-file-pickers","01.csharp\u002F12.desktop-ui\u002F36.dialogs-file-pickers",{"title":1599,"path":1600,"stem":1601},"UserControl: компонентний підхід у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fuser-controls","01.csharp\u002F12.desktop-ui\u002F37.user-controls",{"title":1603,"path":1604,"stem":1605},"Custom Controls: Lookless Controls у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fcustom-controls","01.csharp\u002F12.desktop-ui\u002F38.custom-controls",{"title":1607,"path":1608,"stem":1609},"Avalonia TemplatedControl — Lookless Controls","\u002Fcsharp\u002Fdesktop-ui\u002F38a.avalonia-templated-controls","01.csharp\u002F12.desktop-ui\u002F38a.avalonia-templated-controls",{"title":1611,"path":1612,"stem":1613},"Анімації у WPF: Storyboard та Easing Functions","\u002Fcsharp\u002Fdesktop-ui\u002Fanimations-transitions","01.csharp\u002F12.desktop-ui\u002F39.animations-transitions",{"title":1615,"path":1616,"stem":1617},"Анімації в Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002F39a.avalonia-animations","01.csharp\u002F12.desktop-ui\u002F39a.avalonia-animations",{"title":1619,"path":1620,"stem":1621},"2D Графіка та Мультимедіа у WPF","\u002Fcsharp\u002Fdesktop-ui\u002Fmedia-graphics","01.csharp\u002F12.desktop-ui\u002F40.media-graphics",{"title":1623,"path":1624,"stem":1625},"Dependency Injection у WPF та Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Fdi-integration","01.csharp\u002F12.desktop-ui\u002F41.di-integration",{"title":1627,"path":1628,"stem":1629},"SQLite та EF Core у десктопних додатках","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part1","01.csharp\u002F12.desktop-ui\u002F42.data-persistence-part1",{"title":1631,"path":1632,"stem":1633},"Repository Pattern та Unit of Work","\u002Fcsharp\u002Fdesktop-ui\u002Fdata-persistence-part2","01.csharp\u002F12.desktop-ui\u002F43.data-persistence-part2",{"title":1635,"path":1636,"stem":1637},"Тестування ViewModels","\u002Fcsharp\u002Fdesktop-ui\u002Fviewmodel-testing","01.csharp\u002F12.desktop-ui\u002F44.viewmodel-testing",{"title":1639,"path":1640,"stem":1641},"Avalonia Headless Testing — тестування UI без вікон","\u002Fcsharp\u002Fdesktop-ui\u002F44a.avalonia-headless-testing","01.csharp\u002F12.desktop-ui\u002F44a.avalonia-headless-testing",{"title":1643,"path":1644,"stem":1645},"Кросплатформна розробка з Avalonia","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-cross-platform","01.csharp\u002F12.desktop-ui\u002F45.avalonia-cross-platform",{"title":1647,"path":1648,"stem":1649},"Пакування та розгортання Avalonia додатків","\u002Fcsharp\u002Fdesktop-ui\u002Favalonia-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F46.avalonia-packaging-deployment",{"title":1651,"path":1652,"stem":1653},"Розгортання WPF застосунків","\u002Fcsharp\u002Fdesktop-ui\u002Fwpf-packaging-deployment","01.csharp\u002F12.desktop-ui\u002F47.wpf-packaging-deployment",{"title":1655,"icon":658,"path":1656,"stem":1657,"children":1658,"page":59},"Network Programming","\u002Fcsharp\u002Fnetwork-programming","01.csharp\u002F13.network-programming",[1659,1663,1667,1671,1675,1679,1683,1687,1691,1695,1699],{"title":1660,"path":1661,"stem":1662},"Основи комп'ютерних мереж","\u002Fcsharp\u002Fnetwork-programming\u002Ffoundations","01.csharp\u002F13.network-programming\u002F01.foundations",{"title":1664,"path":1665,"stem":1666},"Модель OSI та стек TCP\u002FIP","\u002Fcsharp\u002Fnetwork-programming\u002Fosi-model","01.csharp\u002F13.network-programming\u002F02.osi-model",{"title":1668,"path":1669,"stem":1670},"IP-протокол та адресація","\u002Fcsharp\u002Fnetwork-programming\u002Fip-addressing","01.csharp\u002F13.network-programming\u002F03.ip-addressing",{"title":1672,"path":1673,"stem":1674},"UDP — протокол без з'єднання","\u002Fcsharp\u002Fnetwork-programming\u002Fudp","01.csharp\u002F13.network-programming\u002F05.udp",{"title":1676,"path":1677,"stem":1678},"UDP Broadcast та Multicast","\u002Fcsharp\u002Fnetwork-programming\u002Fudp-broadcast-multicast","01.csharp\u002F13.network-programming\u002F06.udp-broadcast-multicast",{"title":1680,"path":1681,"stem":1682},"HTTP — протокол вебу","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-fundamentals","01.csharp\u002F13.network-programming\u002F07.http-fundamentals",{"title":1684,"path":1685,"stem":1686},"HttpListener — вбудований HTTP-сервер .NET","\u002Fcsharp\u002Fnetwork-programming\u002F07a.http-listener","01.csharp\u002F13.network-programming\u002F07a.http-listener",{"title":1688,"path":1689,"stem":1690},"HTTP Advanced — cookies, аутентифікація та HTTPS","\u002Fcsharp\u002Fnetwork-programming\u002Fhttp-advanced","01.csharp\u002F13.network-programming\u002F08.http-advanced",{"title":1692,"path":1693,"stem":1694},"SMTP та протоколи електронної пошти","\u002Fcsharp\u002Fnetwork-programming\u002Fsmtp","01.csharp\u002F13.network-programming\u002F09.smtp",{"title":1696,"path":1697,"stem":1698},"WebSocket — повнодуплексний протокол реального часу","\u002Fcsharp\u002Fnetwork-programming\u002Fwebsockets","01.csharp\u002F13.network-programming\u002F10.websockets",{"title":1700,"path":1701,"stem":1702},"TLS\u002FSSL — криптографічний захист мережевих з'єднань","\u002Fcsharp\u002Fnetwork-programming\u002Ftls-ssl","01.csharp\u002F13.network-programming\u002F11.tls-ssl",{"title":1704,"path":1705,"stem":1706},"C# & .NET: The Ultimate Roadmap","\u002Fcsharp\u002Froadmap","01.csharp\u002Froadmap",{"title":1708,"icon":1709,"path":1710,"stem":1711,"children":1712,"page":59},"C++","i-devicon-cplusplus","\u002Fcpp","02.cpp",[1713,1717,1721,1725,1729,1733,1737,1741,1745,1748,1752,1756,1760,1764,1768,1772,1776,1780,1784,1788,1792,1796,1800,1804,1808,1812,1816,1820,1824,1828,1832,1836,1840,1844,1848,1852,1856,1860,1864,1868,1872,1876,1880,1884,1888,1892,1896,1900,1904,1908],{"title":1714,"path":1715,"stem":1716},"Вступ у програмування та алгоритми","\u002Fcpp\u002Fintro-algorithms","02.cpp\u002F01.intro-algorithms",{"title":1718,"path":1719,"stem":1720},"Code Style: угоди про оформлення коду","\u002Fcpp\u002Fcode-style","02.cpp\u002F02.code-style",{"title":1722,"path":1723,"stem":1724},"Середовище розробки та перший проєкт","\u002Fcpp\u002Fide-setup","02.cpp\u002F03.ide-setup",{"title":1726,"path":1727,"stem":1728},"Вивід даних на екран","\u002Fcpp\u002Fdata-output","02.cpp\u002F04.data-output",{"title":1730,"path":1731,"stem":1732},"Типи даних, змінні та константи","\u002Fcpp\u002Fdata-types-variables","02.cpp\u002F05.data-types-variables",{"title":1734,"path":1735,"stem":1736},"Ввід даних з клавіатури","\u002Fcpp\u002Fdata-input","02.cpp\u002F06.data-input",{"title":1738,"path":1739,"stem":1740},"Оператори, перетворення типів та логічні операції","\u002Fcpp\u002Foperators-type-conversion","02.cpp\u002F07.operators-type-conversion",{"title":1742,"path":1743,"stem":1744},"Цикли","\u002Fcpp\u002Floops","02.cpp\u002F08.loops",{"title":32,"path":1746,"stem":1747},"\u002Fcpp\u002Farrays","02.cpp\u002F09.arrays",{"title":1749,"path":1750,"stem":1751},"Алгоритми сортування та аналіз складності","\u002Fcpp\u002Fsorting","02.cpp\u002F10.sorting",{"title":1753,"path":1754,"stem":1755},"Алгоритми пошуку","\u002Fcpp\u002Fsearching","02.cpp\u002F11.searching",{"title":1757,"path":1758,"stem":1759},"Функції: основи","\u002Fcpp\u002Ffunctions-basics","02.cpp\u002F12.functions-basics",{"title":1761,"path":1762,"stem":1763},"Функції: прототипи, область видимості та додаткові можливості","\u002Fcpp\u002Ffunctions-scope","02.cpp\u002F13.functions-scope",{"title":1765,"path":1766,"stem":1767},"Функції: перевантаження та шаблони","\u002Fcpp\u002Ffunctions-overloading-templates","02.cpp\u002F14.functions-overloading-templates",{"title":1769,"path":1770,"stem":1771},"Вказівники: основи","\u002Fcpp\u002Fpointers-basics","02.cpp\u002F15.pointers-basics",{"title":1773,"path":1774,"stem":1775},"Посилання (References)","\u002Fcpp\u002Freferences","02.cpp\u002F16.references",{"title":1777,"path":1778,"stem":1779},"Вказівники, const і масиви","\u002Fcpp\u002Fpointers-const-arrays","02.cpp\u002F17.pointers-const-arrays",{"title":1781,"path":1782,"stem":1783},"Адресна арифметика","\u002Fcpp\u002Fpointer-arithmetic","02.cpp\u002F18.pointer-arithmetic",{"title":1785,"path":1786,"stem":1787},"Динамічна пам'ять","\u002Fcpp\u002Fdynamic-memory","02.cpp\u002F19.dynamic-memory",{"title":1789,"path":1790,"stem":1791},"Вказівники типу void","\u002Fcpp\u002Fvoid-pointers","02.cpp\u002F20.void-pointers",{"title":1793,"path":1794,"stem":1795},"Вказівники на вказівники","\u002Fcpp\u002Fpointers-to-pointers","02.cpp\u002F21.pointers-to-pointers",{"title":1797,"path":1798,"stem":1799},"Оператор доступу до членів через вказівник (->)","\u002Fcpp\u002Fmember-access-operator","02.cpp\u002F22.member-access-operator",{"title":1801,"path":1802,"stem":1803},"Цикл for-each (Range-based for)","\u002Fcpp\u002Fforeach-loop","02.cpp\u002F23.foreach-loop",{"title":1805,"path":1806,"stem":1807},"Вказівники на функції","\u002Fcpp\u002Ffunction-pointers","02.cpp\u002F24.function-pointers",{"title":1809,"path":1810,"stem":1811},"Лямбда-вирази","\u002Fcpp\u002Flambdas","02.cpp\u002F25.lambdas",{"title":1813,"path":1814,"stem":1815},"Лямбда-захоплення","\u002Fcpp\u002Flambda-captures","02.cpp\u002F26.lambda-captures",{"title":1817,"path":1818,"stem":1819},"Еліпсис","\u002Fcpp\u002Fellipsis","02.cpp\u002F27.ellipsis",{"title":1821,"path":1822,"stem":1823},"Безпечні альтернативи еліпсису","\u002Fcpp\u002F27a.ellipsis","02.cpp\u002F27a.ellipsis",{"title":1825,"path":1826,"stem":1827},"Аргументи командного рядка","\u002Fcpp\u002Fcommand-line-arguments","02.cpp\u002F28.command-line-arguments",{"title":1829,"path":1830,"stem":1831},"Перерахування (enum)","\u002Fcpp\u002Fenum","02.cpp\u002F29.enum",{"title":1833,"path":1834,"stem":1835},"Класи-перерахування (enum class)","\u002Fcpp\u002Fenum-class","02.cpp\u002F30.enum-class",{"title":1837,"path":1838,"stem":1839},"Псевдоніми типів (typedef і using)","\u002Fcpp\u002Ftype-aliases","02.cpp\u002F31.type-aliases",{"title":1841,"path":1842,"stem":1843},"Системи числення та двійкова арифметика","\u002Fcpp\u002Fnumber-systems","02.cpp\u002F32.number-systems",{"title":1845,"path":1846,"stem":1847},"Структури (struct): агрегування даних","\u002Fcpp\u002Fstruct","02.cpp\u002F33.struct",{"title":1849,"path":1850,"stem":1851},"Структури у функціях","\u002Fcpp\u002Fstruct-functions","02.cpp\u002F34.struct-functions",{"title":1853,"path":1854,"stem":1855},"Масиви структур і вкладені структури","\u002Fcpp\u002Fstruct-arrays","02.cpp\u002F35.struct-arrays",{"title":1857,"path":1858,"stem":1859},"Патерни struct та межі застосування","\u002Fcpp\u002Fstruct-patterns","02.cpp\u002F36.struct-patterns",{"title":1861,"path":1862,"stem":1863},"Символи та таблиця ASCII","\u002Fcpp\u002Fascii-characters","02.cpp\u002F37.ascii-characters",{"title":1865,"path":1866,"stem":1867},"Unicode та кодування UTF","\u002Fcpp\u002Funicode-utf","02.cpp\u002F38.unicode-utf",{"title":1869,"path":1870,"stem":1871},"C-style рядки","\u002Fcpp\u002Fc-strings","02.cpp\u002F39.c-strings",{"title":1873,"path":1874,"stem":1875},"Вступ до std::string","\u002Fcpp\u002Fstd-string-intro","02.cpp\u002F40.std-string-intro",{"title":1877,"path":1878,"stem":1879},"Довжина, ємність та доступ до символів std::string","\u002Fcpp\u002Fstd-string-capacity-access","02.cpp\u002F41.std-string-capacity-access",{"title":1881,"path":1882,"stem":1883},"Модифікація std::string: присвоювання, додавання, вставка, видалення та заміна","\u002Fcpp\u002Fstd-string-modification","02.cpp\u002F42.std-string-modification",{"title":1885,"path":1886,"stem":1887},"Пошук у std::string: find, npos та практичні патерни","\u002Fcpp\u002Fstd-string-search","02.cpp\u002F43.std-string-search",{"title":1889,"path":1890,"stem":1891},"std::string_view: невласницький погляд на рядок без копіювання","\u002Fcpp\u002Fstd-string-view","02.cpp\u002F44.std-string-view",{"title":1893,"path":1894,"stem":1895},"Об'єднання (union): один блок пам'яті, кілька інтерпретацій","\u002Fcpp\u002Funion","02.cpp\u002F45.union",{"title":1897,"path":1898,"stem":1899},"Організація коду: файли, препроцесор, простори імен","\u002Fcpp\u002Fmultifile-programs","02.cpp\u002F46.multifile-programs",{"title":1901,"path":1902,"stem":1903},"Робота з файлами: C-стиль (stdio.h)","\u002Fcpp\u002Fc-style-files","02.cpp\u002F47.c-style-files",{"title":1905,"path":1906,"stem":1907},"Робота з файлами: C++-стиль (fstream)","\u002Fcpp\u002Fcpp-style-files","02.cpp\u002F48.cpp-style-files",{"title":1909,"path":1910,"stem":1911},"План навчання: Курс C++ — Продовження (Статті 29–60+)","\u002Fcpp\u002Fcurriculum-plan","02.cpp\u002Fcurriculum-plan",{"title":1913,"icon":1914,"path":1915,"stem":1916,"children":1917,"page":59},"JavaScript","i-devicon-javascript","\u002Fjavascript","03.javascript",[1918,1944,1998,2020,2324,2362],{"title":1919,"icon":1920,"path":1921,"stem":1922,"children":1923,"page":59},"Events","i-lucide-mouse-pointer-click","\u002Fjavascript\u002Fevents","03.javascript\u002F01.events",[1924,1928,1932,1936,1940],{"title":1925,"path":1926,"stem":1927},"Вступ до подій браузера","\u002Fjavascript\u002Fevents\u002Fintro","03.javascript\u002F01.events\u002F01.intro",{"title":1929,"path":1930,"stem":1931},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","\u002Fjavascript\u002Fevents\u002Fbubbling-capturing","03.javascript\u002F01.events\u002F02.bubbling-capturing",{"title":1933,"path":1934,"stem":1935},"Делегування подій (Event Delegation)","\u002Fjavascript\u002Fevents\u002Fdelegate-events","03.javascript\u002F01.events\u002F03.delegate-events",{"title":1937,"path":1938,"stem":1939},"Типові дії браузера та preventDefault()","\u002Fjavascript\u002Fevents\u002Fprevent-default","03.javascript\u002F01.events\u002F04.prevent-default",{"title":1941,"path":1942,"stem":1943},"Запуск користувацьких подій (Custom Events)","\u002Fjavascript\u002Fevents\u002Fcustom-events","03.javascript\u002F01.events\u002F05.custom-events",{"title":1945,"icon":1946,"path":1947,"stem":1948,"children":1949,"page":59},"Network","i-lucide-globe","\u002Fjavascript\u002Fnetwork","03.javascript\u002F02.network",[1950,1954,1958,1962,1966,1970,1974,1978,1982,1986,1990,1994],{"title":1951,"path":1952,"stem":1953},"Fetch API - Сучасний підхід до HTTP-запитів","\u002Fjavascript\u002Fnetwork\u002F01-fetch-api","03.javascript\u002F02.network\u002F01-fetch-api",{"title":1955,"path":1956,"stem":1957},"FormData - Робота з формами та файлами","\u002Fjavascript\u002Fnetwork\u002F02-formdata","03.javascript\u002F02.network\u002F02-formdata",{"title":1959,"path":1960,"stem":1961},"Відстеження прогресу завантаження","\u002Fjavascript\u002Fnetwork\u002F03-download-progress","03.javascript\u002F02.network\u002F03-download-progress",{"title":1963,"path":1964,"stem":1965},"Переривання fetch-запитів","\u002Fjavascript\u002Fnetwork\u002F04-abort-requests","03.javascript\u002F02.network\u002F04-abort-requests",{"title":1967,"path":1968,"stem":1969},"CORS - Запити між різними джерелами","\u002Fjavascript\u002Fnetwork\u002F05-cors","03.javascript\u002F02.network\u002F05-cors",{"title":1971,"path":1972,"stem":1973},"Fetch API - Повний довідник опцій","\u002Fjavascript\u002Fnetwork\u002F06-fetch-options","03.javascript\u002F02.network\u002F06-fetch-options",{"title":1975,"path":1976,"stem":1977},"URL Objects - Робота з посиланнями","\u002Fjavascript\u002Fnetwork\u002F07-url-objects","03.javascript\u002F02.network\u002F07-url-objects",{"title":1979,"path":1980,"stem":1981},"XMLHttpRequest - AJAX та низькорівневі запити","\u002Fjavascript\u002Fnetwork\u002F08-xmlhttprequest","03.javascript\u002F02.network\u002F08-xmlhttprequest",{"title":1983,"path":1984,"stem":1985},"Відновлюване завантаження файлів","\u002Fjavascript\u002Fnetwork\u002F09-resumable-upload","03.javascript\u002F02.network\u002F09-resumable-upload",{"title":1987,"path":1988,"stem":1989},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","\u002Fjavascript\u002Fnetwork\u002F10-cookies","03.javascript\u002F02.network\u002F10-cookies",{"title":1991,"path":1992,"stem":1993},"js-cookie: Керування Cookies без Болю","\u002Fjavascript\u002Fnetwork\u002F11-js-cookie","03.javascript\u002F02.network\u002F11-js-cookie",{"title":1995,"path":1996,"stem":1997},"Axios: Потужний HTTP-клієнт для JavaScript","\u002Fjavascript\u002Fnetwork\u002F12-axios","03.javascript\u002F02.network\u002F12-axios",{"title":1999,"icon":2000,"path":2001,"stem":2002,"children":2003,"page":59},"Bom","i-lucide-monitor","\u002Fjavascript\u002Fbom","03.javascript\u002F03.bom",[2004,2008,2012,2016],{"title":2005,"path":2006,"stem":2007},"LocalStorage, SessionStorage та patterns збереження даних","\u002Fjavascript\u002Fbom\u002F01-localstorage","03.javascript\u002F03.bom\u002F01-localstorage",{"title":2009,"path":2010,"stem":2011},"Location Object - Керування адресою сторінки","\u002Fjavascript\u002Fbom\u002F02-location-object","03.javascript\u002F03.bom\u002F02-location-object",{"title":2013,"path":2014,"stem":2015},"History API - Керування історією браузера","\u002Fjavascript\u002Fbom\u002F03-history-api","03.javascript\u002F03.bom\u002F03-history-api",{"title":2017,"path":2018,"stem":2019},"Navigator Object - Ідентифікація та Можливості Пристрою","\u002Fjavascript\u002Fbom\u002F04-navigator-object","03.javascript\u002F03.bom\u002F04-navigator-object",{"title":2021,"icon":2022,"path":2023,"stem":2024,"children":2025},"React","i-devicon-react","\u002Fjavascript\u002Freact","03.javascript\u002F04.react\u002Findex",[2026,2027,2031,2035,2039,2043,2106,2141,2293],{"title":2021,"path":2023,"stem":2024},{"title":2028,"path":2029,"stem":2030},"Робота з Формами в React","\u002Fjavascript\u002Freact\u002Freact-forms","03.javascript\u002F04.react\u002F01.react-forms",{"title":2032,"path":2033,"stem":2034},"React Hook Form: Професійна Робота з Формами","\u002Fjavascript\u002Freact\u002Freact-hook-form","03.javascript\u002F04.react\u002F02.react-hook-form",{"title":2036,"path":2037,"stem":2038},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","\u002Fjavascript\u002Freact\u002Freact-hook-form-new","03.javascript\u002F04.react\u002F02.react-hook-form-new",{"title":2040,"path":2041,"stem":2042},"Axios та React: Професійна Архітектура Запитів","\u002Fjavascript\u002Freact\u002Fdata-fetching-axios","03.javascript\u002F04.react\u002F03.data-fetching-axios",{"title":2044,"icon":132,"path":2045,"stem":2046,"children":2047},"Tanstack Query","\u002Fjavascript\u002Freact\u002Ftanstack-query","03.javascript\u002F04.react\u002F04.tanstack-query\u002Findex",[2048,2050,2054,2058,2062,2066,2070,2074,2078,2082,2086,2090,2094,2098,2102],{"title":2049,"path":2045,"stem":2046},"TanStack Query: Майстерність Керування Станом Сервера",{"title":2051,"path":2052,"stem":2053},"Парадигма Server State: Чому useEffect недостатньо","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-state-paradigm","03.javascript\u002F04.react\u002F04.tanstack-query\u002F01.server-state-paradigm",{"title":2055,"path":2056,"stem":2057},"Встановлення та Налаштування: Фундамент","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Finstallation-and-devtools","03.javascript\u002F04.react\u002F04.tanstack-query\u002F02.installation-and-devtools",{"title":2059,"path":2060,"stem":2061},"Основи Запитів та Магія Ключів","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fquery-basics-and-keys","03.javascript\u002F04.react\u002F04.tanstack-query\u002F03.query-basics-and-keys",{"title":2063,"path":2064,"stem":2065},"Синхронізація Даних: Життєвий Цикл Запиту","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fdata-synchronization","03.javascript\u002F04.react\u002F04.tanstack-query\u002F04.data-synchronization",{"title":2067,"path":2068,"stem":2069},"Мутації та Інвалідація: Зміна Даних","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fmutations-and-invalidation","03.javascript\u002F04.react\u002F04.tanstack-query\u002F05.mutations-and-invalidation",{"title":2071,"path":2072,"stem":2073},"Оптимістичні Оновлення: Швидше за Світло","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Foptimistic-updates","03.javascript\u002F04.react\u002F04.tanstack-query\u002F06.optimistic-updates",{"title":2075,"path":2076,"stem":2077},"Пагінація та Infinite Scroll","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fpagination-and-load-more","03.javascript\u002F04.react\u002F04.tanstack-query\u002F07.pagination-and-load-more",{"title":2079,"path":2080,"stem":2081},"Просунуті Патерни та Оптимізація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F04.tanstack-query\u002F08.advanced-patterns",{"title":2083,"path":2084,"stem":2085},"Архітектура та Best Practices","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Farchitecture-and-best-practices","03.javascript\u002F04.react\u002F04.tanstack-query\u002F09.architecture-and-best-practices",{"title":2087,"path":2088,"stem":2089},"Server-Side Rendering (SSR) та Гідратація","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fserver-side-rendering","03.javascript\u002F04.react\u002F04.tanstack-query\u002F10.server-side-rendering",{"title":2091,"path":2092,"stem":2093},"Стратегії Тестування","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Ftesting-strategies","03.javascript\u002F04.react\u002F04.tanstack-query\u002F11.testing-strategies",{"title":2095,"path":2096,"stem":2097},"Аутентифікація та Обробка Помилок","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fauthentication-and-errors","03.javascript\u002F04.react\u002F04.tanstack-query\u002F12.authentication-and-errors",{"title":2099,"path":2100,"stem":2101},"React Suspense та Майбутнє","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Freact-suspense","03.javascript\u002F04.react\u002F04.tanstack-query\u002F13.react-suspense",{"title":2103,"path":2104,"stem":2105},"Глибоке Занурення в Продуктивність","\u002Fjavascript\u002Freact\u002Ftanstack-query\u002Fperformance-deep-dive","03.javascript\u002F04.react\u002F04.tanstack-query\u002F14.performance-deep-dive",{"title":2107,"icon":2022,"path":2108,"stem":2109,"children":2110},"React Router","\u002Fjavascript\u002Freact\u002Freact-router","03.javascript\u002F04.react\u002F05.react-router\u002Findex",[2111,2113,2117,2121,2125,2129,2133,2137],{"title":2112,"path":2108,"stem":2109},"React Router: Навігаційна система сучасного вебу",{"title":2114,"path":2115,"stem":2116},"Налаштування та Базовий Роутинг","\u002Fjavascript\u002Freact\u002Freact-router\u002Fsetup-and-basic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F01.setup-and-basic-routing",{"title":2118,"path":2119,"stem":2120},"Динамічна Навігація","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnavigation-and-links","03.javascript\u002F04.react\u002F05.react-router\u002F02.navigation-and-links",{"title":2122,"path":2123,"stem":2124},"Вкладені Маршрути та Макети","\u002Fjavascript\u002Freact\u002Freact-router\u002Fnested-routes-and-layouts","03.javascript\u002F04.react\u002F05.react-router\u002F03.nested-routes-and-layouts",{"title":2126,"path":2127,"stem":2128},"Динамічні Маршрути та Параметри","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdynamic-routing","03.javascript\u002F04.react\u002F05.react-router\u002F04.dynamic-routing",{"title":2130,"path":2131,"stem":2132},"Data APIs: Loaders та Actions","\u002Fjavascript\u002Freact\u002Freact-router\u002Fdata-loading","03.javascript\u002F04.react\u002F05.react-router\u002F05.data-loading",{"title":2134,"path":2135,"stem":2136},"Просунуті Патерни","\u002Fjavascript\u002Freact\u002Freact-router\u002Fadvanced-patterns","03.javascript\u002F04.react\u002F05.react-router\u002F06.advanced-patterns",{"title":2138,"path":2139,"stem":2140},"Legacy Routing: Компонентний підхід","\u002Fjavascript\u002Freact\u002Freact-router\u002Flegacy-routing","03.javascript\u002F04.react\u002F05.react-router\u002F07.legacy-routing",{"title":2142,"icon":132,"path":2143,"stem":2144,"children":2145},"Redux","\u002Fjavascript\u002Freact\u002Fredux","03.javascript\u002F04.react\u002F06.redux\u002Findex",[2146,2148,2164,2193,2202,2223,2239,2268],{"title":2147,"path":2143,"stem":2144},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2149,"stem":2150,"children":2151,"page":59},"\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals",[2152,2156,2160],{"title":2153,"path":2154,"stem":2155},"Вступ до State Management","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fintro-state-management","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F01.intro-state-management",{"title":2157,"path":2158,"stem":2159},"Філософія Redux та Три Принципи","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fredux-philosophy","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F02.redux-philosophy",{"title":2161,"path":2162,"stem":2163},"Чисті функції та Іммутабельність","\u002Fjavascript\u002Freact\u002Fredux\u002Ffundamentals\u002Fpure-functions-immutability","03.javascript\u002F04.react\u002F06.redux\u002F01.fundamentals\u002F03.pure-functions-immutability",{"title":2165,"icon":132,"path":2166,"stem":2167,"children":2168,"page":59},"Classic Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux",[2169,2173,2177,2181,2185,2189],{"title":2170,"path":2171,"stem":2172},"Створення Store (Classic Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fstore-setup","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F01.store-setup",{"title":2174,"path":2175,"stem":2176},"Actions, Constants та Action Creators","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Factions-constants","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F02.actions-constants",{"title":2178,"path":2179,"stem":2180},"Логіка Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freducers","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F03.reducers",{"title":2182,"path":2183,"stem":2184},"Комбінування Reducers (Root Reducer)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fdata-flow","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F04.data-flow",{"title":2186,"path":2187,"stem":2188},"Підключення до React (React-Redux)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Freact-redux-connection","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F05.react-redux-connection",{"title":2190,"path":2191,"stem":2192},"Middleware та Асинхронність (Redux Thunk)","\u002Fjavascript\u002Freact\u002Fredux\u002Fclassic-redux\u002Fmiddleware-thunk","03.javascript\u002F04.react\u002F06.redux\u002F02.classic-redux\u002F06.middleware-thunk",{"title":2194,"icon":132,"path":2195,"stem":2196,"children":2197,"page":59},"Transition To Rtk","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk",[2198],{"title":2199,"path":2200,"stem":2201},"Проблеми класичного Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftransition-to-rtk\u002Fproblems-with-classic","03.javascript\u002F04.react\u002F06.redux\u002F03.transition-to-rtk\u002F01.problems-with-classic",{"title":2203,"icon":132,"path":2204,"stem":2205,"children":2206,"page":59},"Redux Toolkit","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit",[2207,2211,2215,2219],{"title":2208,"path":2209,"stem":2210},"Налаштування Store з configureStore","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fconfigure-store","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F01.configure-store",{"title":2212,"path":2213,"stem":2214},"createSlice: Революція в Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fcreate-slice","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F02.create-slice",{"title":2216,"path":2217,"stem":2218},"Асинхронність з createAsyncThunk","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fasync-thunks","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F03.async-thunks",{"title":2220,"path":2221,"stem":2222},"04. Entity Adapter: Керування нормалізованим станом","\u002Fjavascript\u002Freact\u002Fredux\u002Fredux-toolkit\u002Fentity-adapter","03.javascript\u002F04.react\u002F06.redux\u002F04.redux-toolkit\u002F04.entity-adapter",{"title":2224,"icon":92,"path":2225,"stem":2226,"children":2227,"page":59},"Advanced","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced",[2228,2232,2236],{"title":2229,"path":2230,"stem":2231},"Мемоізація та Селектори: Повний Гайд по Reselect","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Fselectors-reselect","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F01.selectors-reselect",{"title":2233,"path":2234,"stem":2235},"RTK Query: Архітектура Серверного Кешу","\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Frtk-query-intro","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F02.rtk-query-intro",{"title":2083,"path":2237,"stem":2238},"\u002Fjavascript\u002Freact\u002Fredux\u002Fadvanced\u002Farchitecture-best-practices","03.javascript\u002F04.react\u002F06.redux\u002F05.advanced\u002F03.architecture-best-practices",{"title":2240,"icon":132,"path":2241,"stem":2242,"children":2243,"page":59},"Project Kanban","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban",[2244,2248,2252,2256,2260,2264],{"title":2245,"path":2246,"stem":2247},"Проєкт: Kanban Board (Trello Clone)","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fproject-overview","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F01.project-overview",{"title":2249,"path":2250,"stem":2251},"Налаштування та Типізація","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fsetup-and-types","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F02.setup-and-types",{"title":2253,"path":2254,"stem":2255},"Board Slice: Серце Дошки","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fboard-slice","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F03.board-slice",{"title":2257,"path":2258,"stem":2259},"Логіка Drag & Drop","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Fdrag-and-drop-logic","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F04.drag-and-drop-logic",{"title":2261,"path":2262,"stem":2263},"Інтеграція з RTK Query","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Frtk-query-integration","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F05.rtk-query-integration",{"title":2265,"path":2266,"stem":2267},"Optimistic Updates","\u002Fjavascript\u002Freact\u002Fredux\u002Fproject-kanban\u002Foptimistic-updates","03.javascript\u002F04.react\u002F06.redux\u002F06.project-kanban\u002F06.optimistic-updates",{"title":2269,"icon":132,"path":2270,"stem":2271,"children":2272,"page":59},"Testing","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting","03.javascript\u002F04.react\u002F06.redux\u002F07.testing",[2273,2277,2281,2285,2289],{"title":2274,"path":2275,"stem":2276},"Тестування Redux","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Fintro-testing","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F01.intro-testing",{"title":2278,"path":2279,"stem":2280},"Тестування Reducers","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-reducers","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F02.testing-reducers",{"title":2282,"path":2283,"stem":2284},"Тестування Селекторів","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-selectors","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F03.testing-selectors",{"title":2286,"path":2287,"stem":2288},"Тестування Компонентів (Integration)","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-components","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F04.testing-components",{"title":2290,"path":2291,"stem":2292},"Тестування Async Thunks","\u002Fjavascript\u002Freact\u002Fredux\u002Ftesting\u002Ftesting-thunks","03.javascript\u002F04.react\u002F06.redux\u002F07.testing\u002F05.testing-thunks",{"title":2294,"icon":132,"path":2295,"stem":2296,"children":2297},"Ui Libraries","\u002Fjavascript\u002Freact\u002Fui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002Findex",[2298,2300,2304,2308,2312,2316,2320],{"title":2299,"path":2295,"stem":2296},"UI Бібліотеки в React",{"title":2301,"path":2302,"stem":2303},"Вступ до UI Бібліотек: Навіщо Винаходити Велосипед Двічі?","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fintroduction-to-ui-libraries","03.javascript\u002F04.react\u002F07.ui-libraries\u002F01.introduction-to-ui-libraries",{"title":2305,"path":2306,"stem":2307},"Філософія shadcn\u002Fui: \"Not a Component Library\"","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-philosophy","03.javascript\u002F04.react\u002F07.ui-libraries\u002F02.shadcn-philosophy",{"title":2309,"path":2310,"stem":2311},"Установка та Налаштування shadcn\u002Fui","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-installation","03.javascript\u002F04.react\u002F07.ui-libraries\u002F03.shadcn-installation",{"title":2313,"path":2314,"stem":2315},"Базові Компоненти shadcn\u002Fui: Фундамент Інтерфейсу","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-basics","03.javascript\u002F04.react\u002F07.ui-libraries\u002F04.shadcn-components-basics",{"title":2317,"path":2318,"stem":2319},"Компоненти Форм: Побудова Інтерактивних Form","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-forms","03.javascript\u002F04.react\u002F07.ui-libraries\u002F05.shadcn-components-forms",{"title":2321,"path":2322,"stem":2323},"Складні Компоненти: Dialog, Dropdown, Table та Command","\u002Fjavascript\u002Freact\u002Fui-libraries\u002Fshadcn-components-advanced","03.javascript\u002F04.react\u002F07.ui-libraries\u002F06.shadcn-components-advanced",{"title":2325,"icon":2326,"path":2327,"stem":2328,"children":2329,"page":59},"TypeScript","i-devicon-typescript","\u002Fjavascript\u002Ftypescript","03.javascript\u002F05.typescript",[2330,2334,2338,2342,2346,2350,2354,2358],{"title":2331,"path":2332,"stem":2333},"TypeScript: Броня для вашого коду","\u002Fjavascript\u002Ftypescript\u002Fintro-and-basic-types","03.javascript\u002F05.typescript\u002F01.intro-and-basic-types",{"title":2335,"path":2336,"stem":2337},"Майстерність Моделювання Даних: Інтерфейси та Просунуті Типи","\u002Fjavascript\u002Ftypescript\u002Finterfaces-and-advanced-types","03.javascript\u002F05.typescript\u002F02.interfaces-and-advanced-types",{"title":2339,"path":2340,"stem":2341},"Алхімія Типів: Generics та Utility Types","\u002Fjavascript\u002Ftypescript\u002Fgenerics-and-utilities","03.javascript\u002F05.typescript\u002F03.generics-and-utilities",{"title":2343,"path":2344,"stem":2345},"Архітектура та Шаблони: Класи в TypeScript","\u002Fjavascript\u002Ftypescript\u002Fclasses-and-oop","03.javascript\u002F05.typescript\u002F04.classes-and-oop",{"title":2347,"path":2348,"stem":2349},"Продакшн та Екосистема: Advanced Config & Workflow","\u002Fjavascript\u002Ftypescript\u002Fadvanced-patterns-and-config","03.javascript\u002F05.typescript\u002F05.advanced-patterns-and-config",{"title":2351,"path":2352,"stem":2353},"TypeScript у світі React","\u002Fjavascript\u002Ftypescript\u002Freact-basics","03.javascript\u002F05.typescript\u002F06.react-basics",{"title":2355,"path":2356,"stem":2357},"React + TypeScript: Продвинуті патерни","\u002Fjavascript\u002Ftypescript\u002Freact-advanced","03.javascript\u002F05.typescript\u002F07.react-advanced",{"title":2359,"path":2360,"stem":2361},"React + TypeScript: Екосистема та бібліотеки","\u002Fjavascript\u002Ftypescript\u002Freact-ecosystem","03.javascript\u002F05.typescript\u002F08.react-ecosystem",{"title":2363,"path":2364,"stem":2365},"Atomic Design","\u002Fjavascript\u002Fatomic-design","03.javascript\u002F2.atomic-design",{"title":2367,"icon":2368,"path":2369,"stem":2370,"children":2371,"page":59},"Java","i-devicon-java","\u002Fjava","04.java",[2372,2375,2378,2382,2386,2390,2394],{"title":162,"path":2373,"stem":2374},"\u002Fjava\u002Fdata-mapper-part1","04.java\u002F01.data-mapper-part1",{"title":166,"path":2376,"stem":2377},"\u002Fjava\u002Fdata-mapper-part2","04.java\u002F02.data-mapper-part2",{"title":2379,"path":2380,"stem":2381},"Service Layer: Організація бізнес-логіки","\u002Fjava\u002Fservice-layer","04.java\u002F03.service-layer",{"title":2383,"path":2384,"stem":2385},"Rich Domain Model та State Pattern","\u002Fjava\u002Frich-domain-model","04.java\u002F04.rich-domain-model",{"title":2387,"path":2388,"stem":2389},"Патерни для складної бізнес-логіки","\u002Fjava\u002Fbusiness-logic-patterns","04.java\u002F05.business-logic-patterns",{"title":2391,"path":2392,"stem":2393},"Обробка помилок та валідація","\u002Fjava\u002Ferror-handling-validation","04.java\u002F06.error-handling-validation",{"title":2395,"path":2396,"stem":2397,"children":2398,"page":59},"Проектування баз даних","\u002Fjava\u002Fpr2","04.java\u002Fpr2",[2399,2403,2407,2411,2415,2419,2423,2427,2431,2435,2439,2443,2447,2451,2455,2459,2463,2467,2471,2475,2479,2483,2487,2491,2495,2499,2503,2507,2511,2515,2519,2523,2527,2531,2535,2539,2543],{"title":2400,"path":2401,"stem":2402},"Концептуальне моделювання: Мистецтво розуміння предметної області","\u002Fjava\u002Fpr2\u002Fconceptual-modeling","04.java\u002Fpr2\u002F01.conceptual-modeling",{"title":2404,"path":2405,"stem":2406},"Логічне моделювання: Від бізнес-ідей до структур даних","\u002Fjava\u002Fpr2\u002Flogical-modeling","04.java\u002Fpr2\u002F02.logical-modeling",{"title":2408,"path":2409,"stem":2410},"Нормалізація: Гігієна даних та боротьба з аномаліями","\u002Fjava\u002Fpr2\u002Fnormalization","04.java\u002Fpr2\u002F03.normalization",{"title":2412,"path":2413,"stem":2414},"Фізична схема: Від абстракції до DDL","\u002Fjava\u002Fpr2\u002Fphysical-schema","04.java\u002Fpr2\u002F04.physical-schema",{"title":2416,"path":2417,"stem":2418},"Архітектурна класифікація таблиць","\u002Fjava\u002Fpr2\u002Ftable-classification","04.java\u002Fpr2\u002F05.table-classification",{"title":2420,"path":2421,"stem":2422},"Database Migrations: Версіонування схеми з Flyway","\u002Fjava\u002Fpr2\u002Fdatabase-migrations","04.java\u002Fpr2\u002F06.database-migrations",{"title":2424,"path":2425,"stem":2426},"А що, якби це була не реляційна БД?","\u002Fjava\u002Fpr2\u002Fbeyond-relational","04.java\u002Fpr2\u002F07.beyond-relational",{"title":2428,"path":2429,"stem":2430},"Object-Relational Impedance Mismatch: Два світи, що не хочуть дружити","\u002Fjava\u002Fpr2\u002Fimpedance-mismatch","04.java\u002Fpr2\u002F09.impedance-mismatch",{"title":2432,"path":2433,"stem":2434},"JDBC: Перший контакт із базою даних","\u002Fjava\u002Fpr2\u002Fjdbc-fundamentals","04.java\u002Fpr2\u002F10.jdbc-fundamentals",{"title":2436,"path":2437,"stem":2438},"Якість коду: Spotless, SpotBugs та SonarQube","\u002Fjava\u002Fpr2\u002F10a.code-quality","04.java\u002Fpr2\u002F10a.code-quality",{"title":2440,"path":2441,"stem":2442},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","\u002Fjava\u002Fpr2\u002Fconnection-pool","04.java\u002Fpr2\u002F11.connection-pool",{"title":2444,"path":2445,"stem":2446},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","\u002Fjava\u002Fpr2\u002Frow-data-gateway","04.java\u002Fpr2\u002F12.row-data-gateway",{"title":2448,"path":2449,"stem":2450},"Table Data Gateway: Фасад таблиці як архітектурний відступ","\u002Fjava\u002Fpr2\u002Ftable-data-gateway","04.java\u002Fpr2\u002F13.table-data-gateway",{"title":2452,"path":2453,"stem":2454},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","\u002Fjava\u002Fpr2\u002Frepository-data-mapper","04.java\u002Fpr2\u002F14.repository-data-mapper",{"title":2456,"path":2457,"stem":2458},"Identity Map: Кешування сутностей у рамках сесії","\u002Fjava\u002Fpr2\u002Fidentity-map","04.java\u002Fpr2\u002F15.identity-map",{"title":2460,"path":2461,"stem":2462},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","\u002Fjava\u002Fpr2\u002Funit-of-work","04.java\u002Fpr2\u002F16.unit-of-work",{"title":2464,"path":2465,"stem":2466},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","\u002Fjava\u002Fpr2\u002Fstrategy-sql","04.java\u002Fpr2\u002F17.strategy-sql",{"title":2468,"path":2469,"stem":2470},"Proxy: Lazy Loading для One-To-Many колекцій","\u002Fjava\u002Fpr2\u002Fproxy-lazy-loading","04.java\u002Fpr2\u002F18.proxy-lazy-loading",{"title":2472,"path":2473,"stem":2474},"Generic Repository через Java Reflection: анотації та динамічний SQL","\u002Fjava\u002Fpr2\u002Fgeneric-repository-reflection","04.java\u002Fpr2\u002F19.generic-repository-reflection",{"title":2476,"path":2477,"stem":2478},"Specification Pattern: Композиція бізнес-правил для складних запитів","\u002Fjava\u002Fpr2\u002Fspecification-pattern","04.java\u002Fpr2\u002F20.specification-pattern",{"title":2480,"path":2481,"stem":2482},"Розширені можливості Specification Pattern: підзапити, агрегації та гібридний підхід","\u002Fjava\u002Fpr2\u002F20a.advanced-specifications","04.java\u002Fpr2\u002F20a.advanced-specifications",{"title":2484,"path":2485,"stem":2486},"Асинхронність у JDBC: Від блокуючих викликів до CompletableFuture","\u002Fjava\u002Fpr2\u002Fasynchronous-jdbc","04.java\u002Fpr2\u002F21.asynchronous-jdbc",{"title":2488,"path":2489,"stem":2490},"Інтеграційне тестування JDBC-репозиторіїв: Embedded H2 та патерн AAA","\u002Fjava\u002Fpr2\u002Fintegration-testing-h2","04.java\u002Fpr2\u002F22.integration-testing-h2",{"title":2492,"path":2493,"stem":2494},"Testcontainers: Тестування з реальною PostgreSQL у Docker-контейнерах","\u002Fjava\u002Fpr2\u002Fintegration-testing-testcontainers","04.java\u002Fpr2\u002F23.integration-testing-testcontainers",{"title":2496,"path":2497,"stem":2498},"Google Guice: Впровадження залежностей у JavaFX-проєкті","\u002Fjava\u002Fpr2\u002Fdependency-injection-guice","04.java\u002Fpr2\u002F24.dependency-injection-guice",{"title":2500,"path":2501,"stem":2502},"JavaFX: Основи побудови графічних інтерфейсів","\u002Fjava\u002Fpr2\u002Fjavafx-fundamentals","04.java\u002Fpr2\u002F25.javafx-fundamentals",{"title":2504,"path":2505,"stem":2506},"Properties та Bindings: Реактивність у JavaFX","\u002Fjava\u002Fpr2\u002Fjavafx-properties-bindings","04.java\u002Fpr2\u002F26.javafx-properties-bindings",{"title":2508,"path":2509,"stem":2510},"MVC vs MVP vs MVVM: Еволюція архітектурних патернів UI","\u002Fjava\u002Fpr2\u002Fui-architecture-patterns","04.java\u002Fpr2\u002F27.ui-architecture-patterns",{"title":2512,"path":2513,"stem":2514},"MVVM на практиці: Побудова ViewModel","\u002Fjava\u002Fpr2\u002Fmvvm-viewmodel-implementation","04.java\u002Fpr2\u002F28.mvvm-viewmodel-implementation",{"title":2516,"path":2517,"stem":2518},"View та Controller: Зв'язування з ViewModel через FXML","\u002Fjava\u002Fpr2\u002Fmvvm-view-controller","04.java\u002Fpr2\u002F29.mvvm-view-controller",{"title":2520,"path":2521,"stem":2522},"Інтеграція MVVM з Guice: Автоматична ін'єкція залежностей","\u002Fjava\u002Fpr2\u002Fmvvm-guice-integration","04.java\u002Fpr2\u002F30.mvvm-guice-integration",{"title":2524,"path":2525,"stem":2526},"Валідація та обробка помилок у MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-validation-error-handling","04.java\u002Fpr2\u002F31.mvvm-validation-error-handling",{"title":2528,"path":2529,"stem":2530},"Навігація та управління екранами у JavaFX MVVM","\u002Fjava\u002Fpr2\u002Fmvvm-navigation-screen-management","04.java\u002Fpr2\u002F32.mvvm-navigation-screen-management",{"title":2532,"path":2533,"stem":2534},"Тестування JavaFX MVVM-додатків","\u002Fjava\u002Fpr2\u002Fmvvm-testing","04.java\u002Fpr2\u002F33.mvvm-testing",{"title":2536,"path":2537,"stem":2538},"Стилізація та теми у JavaFX: CSS та User Experience","\u002Fjava\u002Fpr2\u002Fjavafx-styling-themes","04.java\u002Fpr2\u002F34.javafx-styling-themes",{"title":2540,"path":2541,"stem":2542},"AtlantaFX: Сучасні теми для JavaFX додатків","\u002Fjava\u002Fpr2\u002Fatlantafx-modern-themes","04.java\u002Fpr2\u002F35.atlantafx-modern-themes",{"title":2544,"path":2545,"stem":2546},"Пакування та розповсюдження JavaFX-додатків","\u002Fjava\u002Fpr2\u002Fjar-packaging-distribution","04.java\u002Fpr2\u002F36.jar-packaging-distribution",{"title":2548,"icon":2549,"path":2550,"stem":2551,"children":2552,"page":59},"Python","i-devicon-python","\u002Fpython","05.python",[2553,2557,2560,2564,2568,2572,2576,2580,2584,2588,2592,2596,2600,2604,2608,2645],{"title":2554,"path":2555,"stem":2556},"Модулі, Пакети та Віртуальні Середовища","\u002Fpython\u002Fmodules-packages-venv","05.python\u002F00.modules-packages-venv",{"title":71,"path":2558,"stem":2559},"\u002Fpython\u002Fclasses-objects","05.python\u002F01.classes-objects",{"title":2561,"path":2562,"stem":2563},"Інкапсуляція, Керування Доступом та Властивості","\u002Fpython\u002Fencapsulation","05.python\u002F02.encapsulation",{"title":2565,"path":2566,"stem":2567},"Наслідування, MRO та суперсила super()","\u002Fpython\u002Finheritance-mro","05.python\u002F03.inheritance-mro",{"title":2569,"path":2570,"stem":2571},"Абстракція — ABC проти Статичних Протоколів (PEP 544)","\u002Fpython\u002Fabstraction-protocols","05.python\u002F04.abstraction-protocols",{"title":2573,"path":2574,"stem":2575},"Магічні методи (Dunder) та Емуляція протоколів","\u002Fpython\u002Fdunder-methods","05.python\u002F05.dunder-methods",{"title":2577,"path":2578,"stem":2579},"Декоратори та Керування життєвим циклом методів","\u002Fpython\u002Fdecorators-static-class","05.python\u002F06.decorators-static-class",{"title":2581,"path":2582,"stem":2583},"Дескриптори — Магія доступу до атрибутів","\u002Fpython\u002Fdescriptors","05.python\u002F07.descriptors",{"title":2585,"path":2586,"stem":2587},"Метакласи — Динамічне створення класів під капотом CPython","\u002Fpython\u002Fmetaclasses","05.python\u002F08.metaclasses",{"title":2589,"path":2590,"stem":2591},"Dataclasses, NamedTuple та сучасні контейнери Python","\u002Fpython\u002Fmodern-containers","05.python\u002F09.modern-containers",{"title":2593,"path":2594,"stem":2595},"GIL та модель конкурентності CPython — фундамент перед потоками і процесами","\u002Fpython\u002Fgil-concurrency-intro","05.python\u002F11.gil-concurrency-intro",{"title":2597,"path":2598,"stem":2599},"Threading — конкурентність для I\u002FO-bound задач","\u002Fpython\u002Fthreading","05.python\u002F12.threading",{"title":2601,"path":2602,"stem":2603},"Multiprocessing — справжній паралелізм для CPU-bound задач","\u002Fpython\u002Fmultiprocessing","05.python\u002F13.multiprocessing",{"title":2605,"path":2606,"stem":2607},"asyncio — кооперативна конкурентність та event loop","\u002Fpython\u002Fasyncio","05.python\u002F14.asyncio",{"title":2609,"icon":92,"path":2610,"stem":2611,"children":2612,"page":59},"FastAPI","\u002Fpython\u002Ffastapi","05.python\u002Ffastapi",[2613,2617,2621,2625,2629,2633,2637,2641],{"title":2614,"path":2615,"stem":2616},"Глибокий Typing та Pydantic v2 — від анотацій до валідації","\u002Fpython\u002Ffastapi\u002Ftyping-pydantic","05.python\u002Ffastapi\u002F15.typing-pydantic",{"title":2618,"path":2619,"stem":2620},"WSGI, ASGI та Python Web-екосистема","\u002Fpython\u002Ffastapi\u002Fwsgi-asgi-ecosystem","05.python\u002Ffastapi\u002F16.wsgi-asgi-ecosystem",{"title":2622,"path":2623,"stem":2624},"FastAPI: Перший додаток, Uvicorn та OpenAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-intro","05.python\u002Ffastapi\u002F17.fastapi-intro",{"title":2626,"path":2627,"stem":2628},"Маршрутизація, параметри запитів та APIRouter","\u002Fpython\u002Ffastapi\u002Ffastapi-routing-params","05.python\u002Ffastapi\u002F18.fastapi-routing-params",{"title":2630,"path":2631,"stem":2632},"Pydantic v2 у FastAPI — схеми, валідація та серіалізація","\u002Fpython\u002Ffastapi\u002Ffastapi-pydantic-schemas","05.python\u002Ffastapi\u002F19.fastapi-pydantic-schemas",{"title":2634,"path":2635,"stem":2636},"Dependency Injection — серце архітектури FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-dependency-injection","05.python\u002Ffastapi\u002F20.fastapi-dependency-injection",{"title":2638,"path":2639,"stem":2640},"Обробка помилок, Middleware та CORS у FastAPI","\u002Fpython\u002Ffastapi\u002Ffastapi-errors-middleware","05.python\u002Ffastapi\u002F21.fastapi-errors-middleware",{"title":2642,"path":2643,"stem":2644},"SQLAlchemy 2.0 — ORM, Core та Async Engine","\u002Fpython\u002Ffastapi\u002Fsqlalchemy-orm","05.python\u002Ffastapi\u002F22.sqlalchemy-orm",{"title":2646,"path":2647,"stem":2648},"[object Object]","\u002Fpython\u002Foop-plan","05.python\u002Foop-plan",{"title":2650,"icon":2651,"path":2652,"stem":2653,"children":2654,"page":59},"Бази даних","i-lucide-database","\u002Fdatabases","06.databases",[2655,2685,2708,2745,2774,2792,2826,2838,2847],{"title":2656,"icon":2657,"path":2658,"stem":2659,"children":2660,"page":59},"Intro","i-lucide-play","\u002Fdatabases\u002Fintro","06.databases\u002F01.intro",[2661,2665,2669,2673,2677,2681],{"title":2662,"path":2663,"stem":2664},"Введення в теорію баз даних","\u002Fdatabases\u002Fintro\u002Fintroduction-to-databases","06.databases\u002F01.intro\u002F01.introduction-to-databases",{"title":2666,"path":2667,"stem":2668},"Реляційна модель даних","\u002Fdatabases\u002Fintro\u002Frelational-model-theory","06.databases\u002F01.intro\u002F02.relational-model-theory",{"title":2670,"path":2671,"stem":2672},"ER-моделювання","\u002Fdatabases\u002Fintro\u002Fer-modeling","06.databases\u002F01.intro\u002F03.er-modeling",{"title":2674,"path":2675,"stem":2676},"Логічне проектування БД","\u002Fdatabases\u002Fintro\u002Flogical-schema","06.databases\u002F01.intro\u002F04.logical-schema",{"title":2678,"path":2679,"stem":2680},"Класифікація таблиць","\u002Fdatabases\u002Fintro\u002Ftable-classification","06.databases\u002F01.intro\u002F05.table-classification",{"title":2682,"path":2683,"stem":2684},"PlantUML для баз даних","\u002Fdatabases\u002Fintro\u002Fplantuml-diagrams","06.databases\u002F01.intro\u002F06.plantuml-diagrams",{"title":2686,"icon":2651,"path":2687,"stem":2688,"children":2689,"page":59},"MS SQL Server Start","\u002Fdatabases\u002Fms-sql-server-start","06.databases\u002F02.ms-sql-server-start",[2690,2694,2700,2704],{"title":2691,"path":2692,"stem":2693},"Типи даних у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fdata-types","06.databases\u002F02.ms-sql-server-start\u002F01.data-types",{"title":2695,"path":2696,"stem":2697,"children":2698},"Індекси у MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-indexes","06.databases\u002F02.ms-sql-server-start\u002F02.sql-indexes",[2699],{"title":2695,"path":2696,"stem":2697},{"title":2701,"path":2702,"stem":2703},"Системні бази даних MS SQL Server","\u002Fdatabases\u002Fms-sql-server-start\u002Fsystem-databases","06.databases\u002F02.ms-sql-server-start\u002F03.system-databases",{"title":2705,"path":2706,"stem":2707},"Огляд мови SQL та запитів","\u002Fdatabases\u002Fms-sql-server-start\u002Fsql-queries-overview","06.databases\u002F02.ms-sql-server-start\u002F04.sql-queries-overview",{"title":2709,"icon":2651,"path":2710,"stem":2711,"children":2712,"page":59},"SQL","\u002Fdatabases\u002Fsql","06.databases\u002F03.sql",[2713,2717,2721,2725,2729,2733,2737,2741],{"title":2714,"path":2715,"stem":2716},"Налаштування демонстраційної бази даних","\u002Fdatabases\u002Fsql\u002Fsample-database-setup","06.databases\u002F03.sql\u002F00.sample-database-setup",{"title":2718,"path":2719,"stem":2720},"DDL - Створення таблиць (CREATE TABLE)","\u002Fdatabases\u002Fsql\u002Fddl-create-table","06.databases\u002F03.sql\u002F01.ddl-create-table",{"title":2722,"path":2723,"stem":2724},"DDL - Зміна та видалення таблиць (ALTER, DROP)","\u002Fdatabases\u002Fsql\u002Fddl-alter-drop-table","06.databases\u002F03.sql\u002F02.ddl-alter-drop-table",{"title":2726,"path":2727,"stem":2728},"SELECT запити - Основи","\u002Fdatabases\u002Fsql\u002Fselect-queries-fundamentals","06.databases\u002F03.sql\u002F03.select-queries-fundamentals",{"title":2730,"path":2731,"stem":2732},"SELECT запити - Розширені можливості","\u002Fdatabases\u002Fsql\u002Fselect-queries-advanced","06.databases\u002F03.sql\u002F04.select-queries-advanced",{"title":2734,"path":2735,"stem":2736},"INSERT запити - Додавання даних","\u002Fdatabases\u002Fsql\u002Finsert-queries","06.databases\u002F03.sql\u002F05.insert-queries",{"title":2738,"path":2739,"stem":2740},"UPDATE та DELETE запити","\u002Fdatabases\u002Fsql\u002Fupdate-delete-queries","06.databases\u002F03.sql\u002F06.update-delete-queries",{"title":2742,"path":2743,"stem":2744},"Транзакції в SQL","\u002Fdatabases\u002Fsql\u002Ftransactions","06.databases\u002F03.sql\u002F07.transactions",{"title":2746,"icon":2651,"path":2747,"stem":2748,"children":2749,"page":59},"Multi Table Databases","\u002Fdatabases\u002Fmulti-table-databases","06.databases\u002F04.multi-table-databases",[2750,2754,2758,2762,2766,2770],{"title":2751,"path":2752,"stem":2753},"Зв'язки та нормалізація БД","\u002Fdatabases\u002Fmulti-table-databases\u002Frelationships-and-normalization","06.databases\u002F04.multi-table-databases\u002F00.relationships-and-normalization",{"title":2755,"path":2756,"stem":2757},"INNER JOIN - З'єднання таблиць","\u002Fdatabases\u002Fmulti-table-databases\u002Finner-join","06.databases\u002F04.multi-table-databases\u002F01.inner-join",{"title":2759,"path":2760,"stem":2761},"OUTER JOINs - LEFT, RIGHT, FULL","\u002Fdatabases\u002Fmulti-table-databases\u002Fouter-joins","06.databases\u002F04.multi-table-databases\u002F02.outer-joins",{"title":2763,"path":2764,"stem":2765},"CROSS та SELF JOINs","\u002Fdatabases\u002Fmulti-table-databases\u002Fcross-self-joins","06.databases\u002F04.multi-table-databases\u002F03.cross-self-joins",{"title":2767,"path":2768,"stem":2769},"Підзапити (Subqueries)","\u002Fdatabases\u002Fmulti-table-databases\u002Fsubqueries","06.databases\u002F04.multi-table-databases\u002F04.subqueries",{"title":2771,"path":2772,"stem":2773},"Агрегації з JOIN","\u002Fdatabases\u002Fmulti-table-databases\u002Faggregations-with-joins","06.databases\u002F04.multi-table-databases\u002F05.aggregations-with-joins",{"title":2775,"icon":2776,"path":2777,"stem":2778,"children":2779,"page":59},"Aggregate Functions","i-lucide-calculator","\u002Fdatabases\u002Faggregate-functions","06.databases\u002F05.aggregate-functions",[2780,2784,2788],{"title":2781,"path":2782,"stem":2783},"Функції агрегування в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fintroduction-aggregate-functions","06.databases\u002F05.aggregate-functions\u002F01.introduction-aggregate-functions",{"title":2785,"path":2786,"stem":2787},"Групування даних в MS SQL Server","\u002Fdatabases\u002Faggregate-functions\u002Fgrouping-data","06.databases\u002F05.aggregate-functions\u002F02.grouping-data",{"title":2789,"path":2790,"stem":2791},"Підзапити з агрегатними функціями","\u002Fdatabases\u002Faggregate-functions\u002Fsubqueries-aggregates","06.databases\u002F05.aggregate-functions\u002F03.subqueries-aggregates",{"title":2793,"icon":2794,"path":2795,"stem":2796,"children":2797,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","\u002Fdatabases\u002Ftriggers-stored-procedures","06.databases\u002F07.triggers-stored-procedures",[2798,2802,2806,2810,2814,2818,2822],{"title":2799,"path":2800,"stem":2801},"DML-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fdml-triggers","06.databases\u002F07.triggers-stored-procedures\u002F01.dml-triggers",{"title":2803,"path":2804,"stem":2805},"DDL-тригери","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fddl-triggers","06.databases\u002F07.triggers-stored-procedures\u002F02.ddl-triggers",{"title":2807,"path":2808,"stem":2809},"Transact-SQL розширення","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransact-sql-extensions","06.databases\u002F07.triggers-stored-procedures\u002F03.transact-sql-extensions",{"title":2811,"path":2812,"stem":2813},"Транзакції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Ftransactions","06.databases\u002F07.triggers-stored-procedures\u002F04.transactions",{"title":2815,"path":2816,"stem":2817},"Зберігаємі процедури","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fstored-procedures","06.databases\u002F07.triggers-stored-procedures\u002F05.stored-procedures",{"title":2819,"path":2820,"stem":2821},"Користувацькі функції","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fuser-defined-functions","06.databases\u002F07.triggers-stored-procedures\u002F06.user-defined-functions",{"title":2823,"path":2824,"stem":2825},"Безпека баз даних","\u002Fdatabases\u002Ftriggers-stored-procedures\u002Fsecurity","06.databases\u002F07.triggers-stored-procedures\u002F08.security",{"title":2823,"icon":793,"path":2827,"stem":2828,"children":2829,"page":59},"\u002Fdatabases\u002Fsecurity","06.databases\u002F08.security",[2830,2834],{"title":2831,"path":2832,"stem":2833},"Вступ до безпеки баз даних","\u002Fdatabases\u002Fsecurity\u002Fintroduction","06.databases\u002F08.security\u002F01.introduction",{"title":2835,"path":2836,"stem":2837},"Системні представлення та метадані","\u002Fdatabases\u002Fsecurity\u002Fsystem-views","06.databases\u002F08.security\u002F02.system-views",{"title":2839,"icon":2840,"path":2841,"stem":2842,"children":2843,"page":59},"Резервне копіювання та відновлення","i-lucide-database-backup","\u002Fdatabases\u002Fbackup-recovery","06.databases\u002F09.backup-recovery",[2844],{"title":2839,"path":2845,"stem":2846},"\u002Fdatabases\u002Fbackup-recovery\u002Fbackup-restore","06.databases\u002F09.backup-recovery\u002F01.backup-restore",{"title":2848,"icon":2849,"path":2850,"stem":2851,"children":2852,"page":59},"Повнотекстовий пошук","i-lucide-search","\u002Fdatabases\u002Ffull-text-search","06.databases\u002F10.full-text-search",[2853],{"title":2848,"path":2854,"stem":2855},"\u002Fdatabases\u002Ffull-text-search\u002Ffull-text-search","06.databases\u002F10.full-text-search\u002F01.full-text-search",{"title":2857,"icon":2858,"path":2859,"stem":2860,"children":2861,"page":59},"Tools","i-lucide-wrench","\u002Ftools","07.tools",[2862,2938],{"title":2863,"icon":2864,"path":2865,"stem":2866,"children":2867},"Docker","i-simple-icons-docker","\u002Ftools\u002Fdocker","07.tools\u002F01.docker\u002Findex",[2868,2870,2874,2878,2882,2886,2890,2894,2898,2902,2906,2910,2914,2918,2922,2926,2930,2934],{"title":2869,"path":2865,"stem":2866},"Docker: від нуля до production",{"title":2871,"path":2872,"stem":2873},"Контейнеризація — від проблеми до рішення","\u002Ftools\u002Fdocker\u002Fcontainerization-concept","07.tools\u002F01.docker\u002F01.containerization-concept",{"title":2875,"path":2876,"stem":2877},"Docker — що це і навіщо?","\u002Ftools\u002Fdocker\u002Fdocker-what-and-why","07.tools\u002F01.docker\u002F02.docker-what-and-why",{"title":2879,"path":2880,"stem":2881},"Архітектура Docker Engine","\u002Ftools\u002Fdocker\u002Fdocker-architecture","07.tools\u002F01.docker\u002F03.docker-architecture",{"title":2883,"path":2884,"stem":2885},"Встановлення Docker","\u002Ftools\u002Fdocker\u002Finstallation","07.tools\u002F01.docker\u002F04.installation",{"title":2887,"path":2888,"stem":2889},"Перший контейнер — docker run","\u002Ftools\u002Fdocker\u002Ffirst-container","07.tools\u002F01.docker\u002F05.first-container",{"title":2891,"path":2892,"stem":2893},"Життєвий цикл контейнера","\u002Ftools\u002Fdocker\u002Fcontainer-lifecycle","07.tools\u002F01.docker\u002F06.container-lifecycle",{"title":2895,"path":2896,"stem":2897},"Docker Images — фундаментальні концепції","\u002Ftools\u002Fdocker\u002Fdocker-images-fundamentals","07.tools\u002F01.docker\u002F07.docker-images-fundamentals",{"title":2899,"path":2900,"stem":2901},"Dockerfile — основи","\u002Ftools\u002Fdocker\u002Fdockerfile-basics","07.tools\u002F01.docker\u002F08.dockerfile-basics",{"title":2903,"path":2904,"stem":2905},"Dockerfile — просунуті техніки","\u002Ftools\u002Fdocker\u002Fdockerfile-advanced","07.tools\u002F01.docker\u002F09.dockerfile-advanced",{"title":2907,"path":2908,"stem":2909},"Build Context та кешування шарів","\u002Ftools\u002Fdocker\u002Fbuild-context-and-cache","07.tools\u002F01.docker\u002F10.build-context-and-cache",{"title":2911,"path":2912,"stem":2913},"Реєстри Docker-образів","\u002Ftools\u002Fdocker\u002Fimage-registries","07.tools\u002F01.docker\u002F11.image-registries",{"title":2915,"path":2916,"stem":2917},"Контейнеризація .NET додатків","\u002Ftools\u002Fdocker\u002Fdotnet-containerization","07.tools\u002F01.docker\u002F12.dotnet-containerization",{"title":2919,"path":2920,"stem":2921},"Томи та збереження даних","\u002Ftools\u002Fdocker\u002Fvolumes-and-data","07.tools\u002F01.docker\u002F13.volumes-and-data",{"title":2923,"path":2924,"stem":2925},"Основи мережі в Docker","\u002Ftools\u002Fdocker\u002Fnetworking-basics","07.tools\u002F01.docker\u002F14.networking-basics",{"title":2927,"path":2928,"stem":2929},"Змінні оточення та конфігурація","\u002Ftools\u002Fdocker\u002Fenvironment-and-configuration","07.tools\u002F01.docker\u002F15.environment-and-configuration",{"title":2931,"path":2932,"stem":2933},"Docker Compose — оркестрація контейнерів","\u002Ftools\u002Fdocker\u002Fdocker-compose-basics","07.tools\u002F01.docker\u002F16.docker-compose-basics",{"title":2935,"path":2936,"stem":2937},"Docker Compose — Multi-Service застосунки","\u002Ftools\u002Fdocker\u002Fcompose-multi-service","07.tools\u002F01.docker\u002F17.compose-multi-service",{"title":2939,"icon":2940,"path":2941,"stem":2942,"children":2943},"Kubernetes","simple-icons:kubernetes","\u002Ftools\u002Fkubernetes","07.tools\u002F02.kubernetes\u002Findex",[2944,2946,2950,2954,2958,2962,2966,2970,2974],{"title":2945,"path":2941,"stem":2942},"Kubernetes: від розробки до production",{"title":2947,"path":2948,"stem":2949},"Kubernetes — коли Docker Compose більше не вистачає","\u002Ftools\u002Fkubernetes\u002Fwhy-kubernetes","07.tools\u002F02.kubernetes\u002F01.why-kubernetes",{"title":2951,"path":2952,"stem":2953},"Архітектура Kubernetes — анатомія кластера","\u002Ftools\u002Fkubernetes\u002Fkubernetes-architecture","07.tools\u002F02.kubernetes\u002F02.kubernetes-architecture",{"title":2955,"path":2956,"stem":2957},"Локальне середовище — minikube, kind та k3s","\u002Ftools\u002Fkubernetes\u002Flocal-environment","07.tools\u002F02.kubernetes\u002F03.local-environment",{"title":2959,"path":2960,"stem":2961},"Pod — атомарна одиниця Kubernetes","\u002Ftools\u002Fkubernetes\u002Fpods-and-containers","07.tools\u002F02.kubernetes\u002F04.pods-and-containers",{"title":2963,"path":2964,"stem":2965},"Патерни використання Pod","\u002Ftools\u002Fkubernetes\u002Fpod-patterns","07.tools\u002F02.kubernetes\u002F05.pod-patterns",{"title":2967,"path":2968,"stem":2969},"Deployment — декларативне управління Pod","\u002Ftools\u002Fkubernetes\u002Fdeployment-basics","07.tools\u002F02.kubernetes\u002F06.deployment-basics",{"title":2971,"path":2972,"stem":2973},"Rolling Updates та управління життєвим циклом Deployment","\u002Ftools\u002Fkubernetes\u002Fdeployment-rolling-updates","07.tools\u002F02.kubernetes\u002F07.deployment-rolling-updates",{"title":2975,"path":2976,"stem":2977},"Service — мережева абстракція для Pod","\u002Ftools\u002Fkubernetes\u002Fservices-networking","07.tools\u002F02.kubernetes\u002F08.services-networking",{"title":2979,"icon":2980,"path":2981,"stem":2982,"children":2983,"page":59},"Software Engineering","i-lucide-code-2","\u002Fsoftware-engineering","09.software-engineering",[2984,2988,2992,2996,3000,3004,3008,3012,3016,3020,3024],{"title":2985,"path":2986,"stem":2987},"1. Аналіз предметної області. Експертні знання та складність","\u002Fsoftware-engineering\u002Fintro-subdomains","09.software-engineering\u002F01.intro-subdomains",{"title":2989,"path":2990,"stem":2991},"2. Обмежені контексти. Інтеграція обмежених контекстів","\u002Fsoftware-engineering\u002Fintegrating-limited-contexts","09.software-engineering\u002F02.integrating-limited-contexts",{"title":2993,"path":2994,"stem":2995},"3. Реалізація простої бізнес-логіки","\u002Fsoftware-engineering\u002Fsimple","09.software-engineering\u002F03.simple",{"title":2997,"path":2998,"stem":2999},"4. Опрацювання складної бізнес-логіки","\u002Fsoftware-engineering\u002Fcomplex-business-logic","09.software-engineering\u002F04.complex-business-logic",{"title":3001,"path":3002,"stem":3003},"5. Моделювання фактора часу. Подієво-орієнтована архітектура.","\u002Fsoftware-engineering\u002Fmodelling-the-time-factor","09.software-engineering\u002F05.modelling-the-time-factor",{"title":3005,"path":3006,"stem":3007},"6. Архітектурні патерни","\u002Fsoftware-engineering\u002Farchitectural-patterns","09.software-engineering\u002F06.architectural-patterns",{"title":3009,"path":3010,"stem":3011},"Паттерни взаємодії","\u002Fsoftware-engineering\u002Fpatterns-of-interaction","09.software-engineering\u002F07.patterns-of-interaction",{"title":3013,"path":3014,"stem":3015},"Евристика проєктування","\u002Fsoftware-engineering\u002Fdesign-heuristics","09.software-engineering\u002F08.design-heuristics",{"title":3017,"path":3018,"stem":3019},"Еволюція проєктних рішень","\u002Fsoftware-engineering\u002Fevolution-of-design-solutions","09.software-engineering\u002F09.evolution-of-design-solutions",{"title":3021,"path":3022,"stem":3023},"EventStorming","\u002Fsoftware-engineering\u002Feventstorming","09.software-engineering\u002F10.eventstorming",{"title":3025,"path":3026,"stem":3027},"DDD на практиці","\u002Fsoftware-engineering\u002Fddd-in-practice","09.software-engineering\u002F11.ddd-in-practice",{"title":3029,"icon":943,"path":3030,"stem":3031,"children":3032,"page":59},"DDD","\u002Fddd","10.ddd",[3033,3037,3041,3045,3049,3053,3057,3061,3065,3069,3073,3077,3081],{"title":3034,"path":3035,"stem":3036},"Аналіз предметної області","\u002Fddd\u002Fdomain-analysis","10.ddd\u002F01.domain-analysis",{"title":3038,"path":3039,"stem":3040},"Експертні знання про предметну область","\u002Fddd\u002Fdomain-expert-knowledge","10.ddd\u002F02.domain-expert-knowledge",{"title":3042,"path":3043,"stem":3044},"Як осмислити складність предметної області","\u002Fddd\u002Fmanaging-domain-complexity","10.ddd\u002F03.managing-domain-complexity",{"title":3046,"path":3047,"stem":3048},"Інтеграція обмежених контекстів","\u002Fddd\u002Fbounded-context-integration","10.ddd\u002F04.bounded-context-integration",{"title":3050,"path":3051,"stem":3052},"Реалізація простої бізнес-логіки","\u002Fddd\u002Fsimple-business-logic","10.ddd\u002F05.simple-business-logic",{"title":3054,"path":3055,"stem":3056},"Обробка складної бізнес-логіки","\u002Fddd\u002Fcomplex-business-logic","10.ddd\u002F06.complex-business-logic",{"title":3058,"path":3059,"stem":3060},"Моделювання фактора часу","\u002Fddd\u002Ftime-modeling","10.ddd\u002F07.time-modeling",{"title":3062,"path":3063,"stem":3064},"Глава 8. Архітектурні Патерни","\u002Fddd\u002Farchitectural-patterns","10.ddd\u002F08.architectural-patterns",{"title":3066,"path":3067,"stem":3068},"Глава 9. Патерни Взаємодії","\u002Fddd\u002Finteraction-patterns","10.ddd\u002F09.interaction-patterns",{"title":3070,"path":3071,"stem":3072},"Глава 10. Проектні Евристики","\u002Fddd\u002Fdesign-heuristics","10.ddd\u002F10.design-heuristics",{"title":3074,"path":3075,"stem":3076},"Глава 11. Еволюція Проектних Рішень","\u002Fddd\u002Fevolution-of-design-decisions","10.ddd\u002F11.evolution-of-design-decisions",{"title":3078,"path":3079,"stem":3080},"Глава 12. EventStorming","\u002Fddd\u002Fevent-storming","10.ddd\u002F12.event-storming",{"title":3082,"path":3083,"stem":3084},"Глава 13. DDD на Практиці","\u002Fddd\u002Fddd-in-practice","10.ddd\u002F13.ddd-in-practice",{"title":3086,"icon":3087,"path":3088,"stem":3089,"children":3090,"page":59},"Media Streaming","i-lucide-video","\u002Fmedia-streaming","11.media-streaming",[3091,3095,3099,3103,3107,3111,3115],{"title":3092,"path":3093,"stem":3094},"01. Магія Стрімінгу: Що відбувається, коли ви натискаєте \"Play\"","\u002Fmedia-streaming\u002Fintroduction","11.media-streaming\u002F01.introduction",{"title":3096,"path":3097,"stem":3098},"02. Анатомія Медіа: Кодеки, Контейнери та Стиснення","\u002Fmedia-streaming\u002Faudio-video-anatomy","11.media-streaming\u002F02.audio-video-anatomy",{"title":3100,"path":3101,"stem":3102},"03. The Gym: FFmpeg Deep Dive","\u002Fmedia-streaming\u002Fffmpeg-gym","11.media-streaming\u002F03.ffmpeg-gym",{"title":3104,"path":3105,"stem":3106},"04. HLS Protocol: HTTP Live Streaming у Деталях","\u002Fmedia-streaming\u002Fhls-protocol","11.media-streaming\u002F04.hls-protocol",{"title":3108,"path":3109,"stem":3110},"05. DASH Protocol: Відкритий Стандарт","\u002Fmedia-streaming\u002Fdash-protocol","11.media-streaming\u002F05.dash-protocol",{"title":3112,"path":3113,"stem":3114},"06. Масштабування: CDN та Adaptive Bitrate","\u002Fmedia-streaming\u002Fcdn-and-adaptive-bitrate","11.media-streaming\u002F06.cdn-and-adaptive-bitrate",{"title":3116,"path":3117,"stem":3118},"07. Війна із Затримкою (Latency)","\u002Fmedia-streaming\u002Frealtime-latency","11.media-streaming\u002F07.realtime-latency",{"title":3120,"icon":3121,"path":3122,"stem":3123,"children":3124,"page":59},"HTML & CSS","i-devicon-html5","\u002Fhtml-css","12.html-css",[3125,3129,3133,3137,3141,3145,3149,3153,3157,3161,3165,3169,3173,3177,3181,3185,3189,3193,3197,3201,3205,3209,3213,3217,3221,3225,3229,3233,3237,3241],{"title":3126,"path":3127,"stem":3128},"Вступ до HTML. Структура документа","\u002Fhtml-css\u002Fintro-html-structure","12.html-css\u002F01.intro-html-structure",{"title":3130,"path":3131,"stem":3132},"Форматування тексту в HTML","\u002Fhtml-css\u002Fhtml-text-formatting","12.html-css\u002F02.html-text-formatting",{"title":3134,"path":3135,"stem":3136},"Посилання та зображення в HTML","\u002Fhtml-css\u002Fhtml-links-images","12.html-css\u002F03.html-links-images",{"title":3138,"path":3139,"stem":3140},"Списки та таблиці в HTML","\u002Fhtml-css\u002Fhtml-lists-tables","12.html-css\u002F04.html-lists-tables",{"title":3142,"path":3143,"stem":3144},"Форми в HTML","\u002Fhtml-css\u002Fhtml-forms","12.html-css\u002F05.html-forms",{"title":3146,"path":3147,"stem":3148},"Семантичні елементи HTML5","\u002Fhtml-css\u002Fhtml-semantic-elements","12.html-css\u002F06.html-semantic-elements",{"title":3150,"path":3151,"stem":3152},"Мультимедіа та розширені елементи HTML","\u002Fhtml-css\u002Fhtml-multimedia-advanced","12.html-css\u002F07.html-multimedia-advanced",{"title":3154,"path":3155,"stem":3156},"Мікророзмітка та SEO в HTML","\u002Fhtml-css\u002Fhtml-microdata-seo","12.html-css\u002F08.html-microdata-seo",{"title":3158,"path":3159,"stem":3160},"Вступ до CSS. Селектори та специфічність","\u002Fhtml-css\u002Fcss-intro-selectors","12.html-css\u002F09.css-intro-selectors",{"title":3162,"path":3163,"stem":3164},"Блокова модель CSS. Відступи. Box Sizing","\u002Fhtml-css\u002Fcss-box-model","12.html-css\u002F10.css-box-model",{"title":3166,"path":3167,"stem":3168},"Розміри у CSS: повний довідник одиниць і ключових слів","\u002Fhtml-css\u002F10a.css-sizing","12.html-css\u002F10a.css-sizing",{"title":3170,"path":3171,"stem":3172},"Типографіка в CSS. Шрифти та текст","\u002Fhtml-css\u002Fcss-typography","12.html-css\u002F11.css-typography",{"title":3174,"path":3175,"stem":3176},"Кольори та фони в CSS","\u002Fhtml-css\u002Fcss-colors-backgrounds","12.html-css\u002F12.css-colors-backgrounds",{"title":3178,"path":3179,"stem":3180},"Тіні та фільтри в CSS","\u002Fhtml-css\u002F12b.css-shadows-filters","12.html-css\u002F12b.css-shadows-filters",{"title":3182,"path":3183,"stem":3184},"CSS Flexbox: Фундамент гнучких макетів","\u002Fhtml-css\u002Fcss-flexbox-fundamentals","12.html-css\u002F13.css-flexbox-fundamentals",{"title":3186,"path":3187,"stem":3188},"CSS Flexbox: Вирівнювання та Позиціонування","\u002Fhtml-css\u002Fcss-flexbox-alignment-sizing-and-patterns","12.html-css\u002F14.css-flexbox-alignment-sizing-and-patterns",{"title":3190,"path":3191,"stem":3192},"CSS Grid. Двовимірний макет. Частина 1","\u002Fhtml-css\u002Fcss-layout-grid","12.html-css\u002F15.css-layout-grid",{"title":3194,"path":3195,"stem":3196},"CSS Grid. Двовимірний макет. Частина 2","\u002Fhtml-css\u002Fcss-layout-grid-advanced","12.html-css\u002F16.css-layout-grid-advanced",{"title":3198,"path":3199,"stem":3200},"Позиціонування в CSS. Z-index. Stacking Context","\u002Fhtml-css\u002Fcss-positioning","12.html-css\u002F17.css-positioning",{"title":3202,"path":3203,"stem":3204},"CSS Анімації та Переходи","\u002Fhtml-css\u002Fcss-animations-transitions","12.html-css\u002F18.css-animations-transitions",{"title":3206,"path":3207,"stem":3208},"Адаптивний дизайн. Media Queries. Частина 1","\u002Fhtml-css\u002Fcss-responsive-media-queries","12.html-css\u002F19.css-responsive-media-queries",{"title":3210,"path":3211,"stem":3212},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","\u002Fhtml-css\u002Fcss-responsive-advanced","12.html-css\u002F20.css-responsive-advanced",{"title":3214,"path":3215,"stem":3216},"CSS Custom Properties. Методології. Сучасний CSS","\u002Fhtml-css\u002Fcss-variables-methodologies","12.html-css\u002F21.css-variables-methodologies",{"title":3218,"path":3219,"stem":3220},"Сучасний CSS 2023–2025: Нові можливості","\u002Fhtml-css\u002Fcss-modern-features","12.html-css\u002F22.css-modern-features",{"title":3222,"path":3223,"stem":3224},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","\u002Fhtml-css\u002F22a.css-nesting-modern-syntax","12.html-css\u002F22a.css-nesting-modern-syntax",{"title":3226,"path":3227,"stem":3228},"CSS для форм та інтерактивних станів","\u002Fhtml-css\u002Fcss-forms-interactive-states","12.html-css\u002F23.css-forms-interactive-states",{"title":3230,"path":3231,"stem":3232},"Доступність у CSS (CSS Accessibility)","\u002Fhtml-css\u002Fcss-accessibility","12.html-css\u002F24.css-accessibility",{"title":3234,"path":3235,"stem":3236},"CSS-функції та сучасні sizing primitives","\u002Fhtml-css\u002Fcss-functions-sizing","12.html-css\u002F25.css-functions-sizing",{"title":3238,"path":3239,"stem":3240},"Rendering Pipeline і CSS Performance","\u002Fhtml-css\u002Fcss-rendering-performance","12.html-css\u002F26.css-rendering-performance",{"title":3242,"path":3243,"stem":3244},"CSS Best Practices: типові ситуації та правильні рішення","\u002Fhtml-css\u002Fcss-best-practices","12.html-css\u002F27.css-best-practices",{"title":3246,"path":3247,"stem":3248,"children":3249,"page":59},"AWS","\u002Faws","13.aws",[3250,3254,3258,3262,3266,3270,3274,3278,3282,3286,3290,3294,3298,3302,3306,3310,3314,3318],{"title":3251,"path":3252,"stem":3253},"Реєстрація AWS акаунту та студентські програми","\u002Faws\u002Faccount-registration","13.aws\u002F00.account-registration",{"title":3255,"path":3256,"stem":3257},"Вступ до хмарних обчислень та AWS","\u002Faws\u002Fintroduction-to-cloud","13.aws\u002F01.introduction-to-cloud",{"title":3259,"path":3260,"stem":3261},"AWS IAM — Identity and Access Management","\u002Faws\u002Fiam","13.aws\u002F02.iam",{"title":3263,"path":3264,"stem":3265},"AWS IAM CLI — Довідник команд","\u002Faws\u002F02a.iam-doc","13.aws\u002F02a.iam-doc",{"title":3267,"path":3268,"stem":3269},"Docker та контейнеризація в AWS — ECR, ECS та Fargate","\u002Faws\u002Fdocker-ecs","13.aws\u002F03.docker-ecs",{"title":3271,"path":3272,"stem":3273},"AWS ECR \u002F ECS CLI — Довідник команд","\u002Faws\u002F03a.docker-ecs-doc","13.aws\u002F03a.docker-ecs-doc",{"title":3275,"path":3276,"stem":3277},"Amazon EC2 — Elastic Compute Cloud","\u002Faws\u002Fec2","13.aws\u002F04.ec2",{"title":3279,"path":3280,"stem":3281},"AWS EC2 CLI — Довідник команд","\u002Faws\u002F04a.ec2-doc","13.aws\u002F04a.ec2-doc",{"title":3283,"path":3284,"stem":3285},"Elastic Load Balancing та Auto Scaling","\u002Faws\u002Falb-asg","13.aws\u002F05.alb-asg",{"title":3287,"path":3288,"stem":3289},"Amazon S3 — Simple Storage Service","\u002Faws\u002Fs3","13.aws\u002F06.s3",{"title":3291,"path":3292,"stem":3293},"Amazon CloudFront — Content Delivery Network","\u002Faws\u002Fcloudfront","13.aws\u002F07.cloudfront",{"title":3295,"path":3296,"stem":3297},"Amazon RDS — Relational Database Service","\u002Faws\u002Frds","13.aws\u002F08.rds",{"title":3299,"path":3300,"stem":3301},"Amazon DynamoDB — NoSQL Database","\u002Faws\u002Fdynamodb","13.aws\u002F09.dynamodb",{"title":3303,"path":3304,"stem":3305},"AWS Lambda та Serverless Compute","\u002Faws\u002Flambda","13.aws\u002F10.lambda",{"title":3307,"path":3308,"stem":3309},"Amazon Bedrock - Foundation Models, RAG та Agents","\u002Faws\u002Fbedrock","13.aws\u002F22.bedrock",{"title":3311,"path":3312,"stem":3313},"Amazon Rekognition - Комп'ютерний зір","\u002Faws\u002Frekognition","13.aws\u002F23.rekognition",{"title":3315,"path":3316,"stem":3317},"Amazon Textract - Інтелектуальний аналіз документів","\u002Faws\u002Ftextract","13.aws\u002F24.textract",{"title":3319,"path":3320,"stem":3321},"Amazon Polly, Transcribe, Comprehend та Translate","\u002Faws\u002Faudio-nlp-services","13.aws\u002F25.audio-nlp-services",{"title":3323,"path":3324,"stem":3325,"children":3326,"page":59},"Tailwind","\u002Ftailwind","21.tailwind",[3327,3331,3335,3339,3343,3347,3351,3355,3359,3363,3367,3371],{"title":3328,"path":3329,"stem":3330},"Що таке Tailwind CSS і навіщо він потрібен","\u002Ftailwind\u002Ftailwind-intro-philosophy","21.tailwind\u002F01.tailwind-intro-philosophy",{"title":3332,"path":3333,"stem":3334},"Встановлення та налаштування Tailwind CSS v4","\u002Ftailwind\u002Ftailwind-installation-setup","21.tailwind\u002F02.tailwind-installation-setup",{"title":3336,"path":3337,"stem":3338},"Utility-класи: основи та система Tailwind","\u002Ftailwind\u002Ftailwind-utility-classes-core","21.tailwind\u002F03.tailwind-utility-classes-core",{"title":3340,"path":3341,"stem":3342},"Layout: Flexbox та Grid через Tailwind","\u002Ftailwind\u002Ftailwind-flexbox-grid","21.tailwind\u002F04.tailwind-flexbox-grid",{"title":3344,"path":3345,"stem":3346},"Кастомізація теми через @theme у Tailwind v4","\u002Ftailwind\u002Ftailwind-theme-customization","21.tailwind\u002F05.tailwind-theme-customization",{"title":3348,"path":3349,"stem":3350},"Варіанти: hover, focus, responsive, dark mode та нові v4","\u002Ftailwind\u002Ftailwind-variants-states","21.tailwind\u002F06.tailwind-variants-states",{"title":3352,"path":3353,"stem":3354},"Типографіка та система кольорів у Tailwind v4","\u002Ftailwind\u002Ftailwind-typography-colors","21.tailwind\u002F07.tailwind-typography-colors",{"title":3356,"path":3357,"stem":3358},"Компоненти та повторюваність: @apply, @utility та патерни","\u002Ftailwind\u002Ftailwind-components-patterns","21.tailwind\u002F08.tailwind-components-patterns",{"title":3360,"path":3361,"stem":3362},"Темна тема та система дизайн-токенів у Tailwind v4","\u002Ftailwind\u002Ftailwind-dark-mode-theming","21.tailwind\u002F09.tailwind-dark-mode-theming",{"title":3364,"path":3365,"stem":3366},"Довільні значення та контейнерні запити у Tailwind v4","\u002Ftailwind\u002Ftailwind-arbitrary-container-queries","21.tailwind\u002F10.tailwind-arbitrary-container-queries",{"title":3368,"path":3369,"stem":3370},"Анімації, трансформації та 3D у Tailwind v4","\u002Ftailwind\u002Ftailwind-animations-transforms","21.tailwind\u002F11.tailwind-animations-transforms",{"title":3372,"path":3373,"stem":3374},"Tailwind CLI, PostCSS та інтеграція з фреймворками","\u002Ftailwind\u002Ftailwind-cli-tooling","21.tailwind\u002F12.tailwind-cli-tooling",{"title":3376,"path":3377,"stem":3378},"Тестування компонентів діаграм","\u002Ftest-components","98.test-components",{"id":3380,"title":2573,"body":3381,"description":20770,"extension":20771,"links":20772,"meta":20773,"navigation":3736,"path":2574,"seo":20774,"stem":2575,"__hash__":20775},"docs\u002F05.python\u002F05.dunder-methods.md",{"type":3382,"value":3383,"toc":20690},"minimark",[3384,3388,3398,3402,3476,3490,3519,3547,3575,3578,3627,3630,3634,3639,3654,3676,3937,3941,3956,4044,4066,4069,4128,4131,4135,4142,4289,4291,4295,4304,4310,4376,4390,4788,4806,4813,4823,5311,5358,5360,5364,5368,5371,5477,5484,6220,6269,6280,6292,6315,6394,6400,6425,6811,6821,6827,6830,6846,6858,6866,6879,7030,7042,7390,7436,7474,7476,7480,7484,7487,7531,7537,8602,8703,8707,8716,8872,8889,8896,8911,9282,9284,9288,9292,9295,9412,9416,9423,10794,10878,10886,10899,10924,11296,11325,11327,11333,11337,11346,11594,11598,11607,12360,12402,12408,12420,12568,12570,12574,12586,12591,12625,12772,12776,12783,13664,13734,13742,13759,14040,14047,14058,14313,14347,14349,14353,14357,14360,14410,14414,15044,15087,15094,15099,15354,15356,15360,15364,15367,15588,15592,15697,15724,15825,15937,16029,16031,16035,16042,16045,16200,16207,16213,16343,16350,16359,16490,16492,16496,16503,16507,16510,16546,16550,16558,19964,19966,19970,20336,20338,20342,20588,20590,20594,20601,20604,20673,20686],[3385,3386,2573],"h1",{"id":3387},"магічні-методи-dunder-та-емуляція-протоколів",[3389,3390,3392,3393,3397],"h2",{"id":3391},"проблема-чому-працює-і-з-числами-і-з-рядками","Проблема: чому ",[3394,3395,3396],"code",{},"+"," працює і з числами, і з рядками?",[3399,3400,3401],"p",{},"Подивіться на ці три рядки коду і спробуйте відповісти на просте запитання: чому вони взагалі працюють?",[3403,3404,3409],"pre",{"className":3405,"code":3406,"language":3407,"meta":3408,"style":3408},"language-python shiki shiki-themes light-plus dark-plus dark-plus","result = 42 + 8          # int + int\ntext   = \"Hello\" + \" World\"  # str + str\npath   = Path(\"\u002Fusr\") \u002F \"bin\" \u002F \"python\"  # Path \u002F str\n","python","",[3394,3410,3411,3434,3452],{"__ignoreMap":3408},[3412,3413,3416,3420,3424,3427,3430],"span",{"class":3414,"line":3415},"line",1,[3412,3417,3419],{"class":3418},"sHH4Y","result = ",[3412,3421,3423],{"class":3422},"sJj4R","42",[3412,3425,3426],{"class":3418}," + ",[3412,3428,3429],{"class":3422},"8",[3412,3431,3433],{"class":3432},"spJ8K","          # int + int\n",[3412,3435,3437,3440,3444,3446,3449],{"class":3414,"line":3436},2,[3412,3438,3439],{"class":3418},"text   = ",[3412,3441,3443],{"class":3442},"sbdoH","\"Hello\"",[3412,3445,3426],{"class":3418},[3412,3447,3448],{"class":3442},"\" World\"",[3412,3450,3451],{"class":3432},"  # str + str\n",[3412,3453,3455,3458,3461,3464,3467,3470,3473],{"class":3414,"line":3454},3,[3412,3456,3457],{"class":3418},"path   = Path(",[3412,3459,3460],{"class":3442},"\"\u002Fusr\"",[3412,3462,3463],{"class":3418},") \u002F ",[3412,3465,3466],{"class":3442},"\"bin\"",[3412,3468,3469],{"class":3418}," \u002F ",[3412,3471,3472],{"class":3442},"\"python\"",[3412,3474,3475],{"class":3432},"  # Path \u002F str\n",[3399,3477,3478,3479,3481,3482,3485,3486,3489],{},"Оператор ",[3394,3480,3396],{}," додає числа. Той самий оператор зклеює рядки. Оператор ",[3394,3483,3484],{},"\u002F"," ділить числа, але у ",[3394,3487,3488],{},"pathlib.Path"," він конструює шляхи файлової системи. Як один і той самий синтаксичний символ може означати абсолютно різні операції залежно від типу об'єкта?",[3399,3491,3492,3493,3497,3498,3501,3502,3501,3505,3501,3508,3501,3511,3514,3515,3518],{},"Відповідь: ",[3494,3495,3496],"strong",{},"протоколи через dunder-методи",". Усе, що ви вважаєте «вбудованою магією» Python — ",[3394,3499,3500],{},"len([1, 2, 3])",", ",[3394,3503,3504],{},"for x in obj",[3394,3506,3507],{},"with open(...) as f",[3394,3509,3510],{},"obj[0]",[3394,3512,3513],{},"str(obj)"," — насправді є ",[3494,3516,3517],{},"викликами спеціальних методів"," на об'єктах. Python просто перекладає синтаксичний цукор у методи.",[3399,3520,3521,3522,3525,3526,3529,3530,3525,3533,3529,3536,3525,3539,3542,3543,3546],{},"Коли ви пишете ",[3394,3523,3524],{},"a + b",", Python виконує ",[3394,3527,3528],{},"a.__add__(b)",". Коли ви пишете ",[3394,3531,3532],{},"len(obj)",[3394,3534,3535],{},"obj.__len__()",[3394,3537,3538],{},"with obj as x",[3394,3540,3541],{},"obj.__enter__()"," і потім ",[3394,3544,3545],{},"obj.__exit__(...)",".",[3399,3548,3549,3550,3553,3554,3557,3558,3560,3561,3564,3565,3560,3568,3571,3572,3546],{},"Це означає, що ",[3494,3551,3552],{},"будь-який ваш клас може брати участь у будь-якому синтаксисі Python"," — варто лише реалізувати відповідний протокол. Ваш клас ",[3394,3555,3556],{},"Vector"," може складатися через ",[3394,3559,3396],{},". Ваш клас ",[3394,3562,3563],{},"Database"," може використовуватись у ",[3394,3566,3567],{},"with",[3394,3569,3570],{},"Grid"," може індексуватись через ",[3394,3573,3574],{},"grid[x][y]",[3399,3576,3577],{},"Саме ця система і є темою цієї статті.",[3579,3580,3581,3587,3602,3607],"card-group",{},[3582,3583,3586],"card",{"icon":3584,"title":3585},"i-heroicons-eye","Прозорий синтаксис","Оператори, вбудовані функції та конструкції мови — все це виклики методів. Знаючи протоколи, ви точно розумієте, що відбувається за будь-яким синтаксисом Python.",[3582,3588,3591,3592,3501,3595,3501,3598,3601],{"icon":3589,"title":3590},"i-heroicons-puzzle-piece","Розширюваність","Ваші класи стають «першокласними громадянами» мови. ",[3394,3593,3594],{},"Path",[3394,3596,3597],{},"Decimal",[3394,3599,3600],{},"datetime"," — усе це звичайні класи, що реалізують dunder-методи.",[3582,3603,3606],{"icon":3604,"title":3605},"i-heroicons-arrow-path","Інтеграція з екосистемою","Будь-яка бібліотека, що очікує «iterable» або «context manager», автоматично працює з вашим класом, якщо він реалізує відповідний протокол.",[3582,3608,3611,3612,3615,3616,3619,3620,3615,3623,3626],{"icon":3609,"title":3610},"i-heroicons-document-text","Читабельний API","Замість ",[3394,3613,3614],{},"vector.add(other)"," — ",[3394,3617,3618],{},"vector + other",". Замість ",[3394,3621,3622],{},"collection.length()",[3394,3624,3625],{},"len(collection)",". Ваш код читається як природна мова.",[3628,3629],"hr",{},[3389,3631,3633],{"id":3632},"частина-i-природа-dunder-методів","Частина I: Природа dunder-методів",[3635,3636,3638],"h3",{"id":3637},"що-таке-протокол-у-python","Що таке «протокол» у Python",[3399,3640,3641,3642,3645,3646,3649,3650,3653],{},"У мовах зі статичною типізацією (Java, C#) інтерфейси є формальними контрактами: клас ",[3494,3643,3644],{},"зобов'язаний"," оголосити, що він реалізує ",[3394,3647,3648],{},"Iterable\u003CT>",", інакше компілятор відмовить. Python обирає інший шлях — ",[3494,3651,3652],{},"структурна типізація"," (duck typing).",[3399,3655,3656,3657,3660,3661,3664,3665,3668,3669,3672,3673,3546],{},"Якщо об'єкт має метод ",[3394,3658,3659],{},"__iter__",", він є ітерабельним — незалежно від того, чи успадковує він щось від ",[3394,3662,3663],{},"collections.abc.Iterable",". Якщо об'єкт має ",[3394,3666,3667],{},"__len__"," і ",[3394,3670,3671],{},"__getitem__",", він є послідовністю. Набір таких методів, що разом реалізують певну поведінку, і є ",[3494,3674,3675],{},"протоколом",[3677,3678,3679],"plant-uml",{},[3403,3680,3684],{"className":3681,"code":3682,"language":3683,"meta":3408,"style":3408},"language-plantuml shiki shiki-themes light-plus dark-plus dark-plus","@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\nskinparam ArrowColor #6366f1\nskinparam node {\n    BackgroundColor #f3f4f6\n    BorderColor #d1d5db\n}\n\npackage \"Синтаксис Python (оператори, функції)\" {\n    node \"a + b\" as ADD #fee2e2\n    node \"len(obj)\" as LEN #fee2e2\n    node \"str(obj)\" as STR #fee2e2\n    node \"obj[key]\" as IDX #fee2e2\n    node \"for x in obj\" as ITER #fee2e2\n    node \"with obj as x\" as CTX #fee2e2\n    node \"obj == other\" as EQ #fee2e2\n}\n\npackage \"Dunder-методи (протоколи)\" {\n    node \"__add__(self, other)\" as DADD #d1fae5\n    node \"__len__(self)\" as DLEN #d1fae5\n    node \"__str__(self)\" as DSTR #d1fae5\n    node \"__getitem__(self, key)\" as DIDX #d1fae5\n    node \"__iter__(self)\" as DITER #d1fae5\n    node \"__enter__ \u002F __exit__\" as DCTX #d1fae5\n    node \"__eq__(self, other)\" as DEQ #d1fae5\n}\n\nADD --> DADD : транслюється у\nLEN --> DLEN : транслюється у\nSTR --> DSTR : транслюється у\nIDX --> DIDX : транслюється у\nITER --> DITER : транслюється у\nCTX --> DCTX : транслюється у\nEQ --> DEQ : транслюється у\n\nnote bottom of DCTX\n  CPython виконує трансляцію\n  синтаксису у виклики методів\n  на рівні байткоду (CALL_INTRINSIC)\nend note\n@enduml\n","plantuml",[3394,3685,3686,3691,3696,3701,3707,3713,3719,3725,3731,3738,3744,3750,3756,3762,3768,3774,3780,3786,3791,3796,3802,3808,3814,3820,3826,3832,3838,3844,3849,3854,3860,3866,3872,3878,3884,3890,3896,3901,3907,3913,3919,3925,3931],{"__ignoreMap":3408},[3412,3687,3688],{"class":3414,"line":3415},[3412,3689,3690],{},"@startuml\n",[3412,3692,3693],{"class":3414,"line":3436},[3412,3694,3695],{},"skinparam style plain\n",[3412,3697,3698],{"class":3414,"line":3454},[3412,3699,3700],{},"skinparam backgroundColor #ffffff\n",[3412,3702,3704],{"class":3414,"line":3703},4,[3412,3705,3706],{},"skinparam ArrowColor #6366f1\n",[3412,3708,3710],{"class":3414,"line":3709},5,[3412,3711,3712],{},"skinparam node {\n",[3412,3714,3716],{"class":3414,"line":3715},6,[3412,3717,3718],{},"    BackgroundColor #f3f4f6\n",[3412,3720,3722],{"class":3414,"line":3721},7,[3412,3723,3724],{},"    BorderColor #d1d5db\n",[3412,3726,3728],{"class":3414,"line":3727},8,[3412,3729,3730],{},"}\n",[3412,3732,3734],{"class":3414,"line":3733},9,[3412,3735,3737],{"emptyLinePlaceholder":3736},true,"\n",[3412,3739,3741],{"class":3414,"line":3740},10,[3412,3742,3743],{},"package \"Синтаксис Python (оператори, функції)\" {\n",[3412,3745,3747],{"class":3414,"line":3746},11,[3412,3748,3749],{},"    node \"a + b\" as ADD #fee2e2\n",[3412,3751,3753],{"class":3414,"line":3752},12,[3412,3754,3755],{},"    node \"len(obj)\" as LEN #fee2e2\n",[3412,3757,3759],{"class":3414,"line":3758},13,[3412,3760,3761],{},"    node \"str(obj)\" as STR #fee2e2\n",[3412,3763,3765],{"class":3414,"line":3764},14,[3412,3766,3767],{},"    node \"obj[key]\" as IDX #fee2e2\n",[3412,3769,3771],{"class":3414,"line":3770},15,[3412,3772,3773],{},"    node \"for x in obj\" as ITER #fee2e2\n",[3412,3775,3777],{"class":3414,"line":3776},16,[3412,3778,3779],{},"    node \"with obj as x\" as CTX #fee2e2\n",[3412,3781,3783],{"class":3414,"line":3782},17,[3412,3784,3785],{},"    node \"obj == other\" as EQ #fee2e2\n",[3412,3787,3789],{"class":3414,"line":3788},18,[3412,3790,3730],{},[3412,3792,3794],{"class":3414,"line":3793},19,[3412,3795,3737],{"emptyLinePlaceholder":3736},[3412,3797,3799],{"class":3414,"line":3798},20,[3412,3800,3801],{},"package \"Dunder-методи (протоколи)\" {\n",[3412,3803,3805],{"class":3414,"line":3804},21,[3412,3806,3807],{},"    node \"__add__(self, other)\" as DADD #d1fae5\n",[3412,3809,3811],{"class":3414,"line":3810},22,[3412,3812,3813],{},"    node \"__len__(self)\" as DLEN #d1fae5\n",[3412,3815,3817],{"class":3414,"line":3816},23,[3412,3818,3819],{},"    node \"__str__(self)\" as DSTR #d1fae5\n",[3412,3821,3823],{"class":3414,"line":3822},24,[3412,3824,3825],{},"    node \"__getitem__(self, key)\" as DIDX #d1fae5\n",[3412,3827,3829],{"class":3414,"line":3828},25,[3412,3830,3831],{},"    node \"__iter__(self)\" as DITER #d1fae5\n",[3412,3833,3835],{"class":3414,"line":3834},26,[3412,3836,3837],{},"    node \"__enter__ \u002F __exit__\" as DCTX #d1fae5\n",[3412,3839,3841],{"class":3414,"line":3840},27,[3412,3842,3843],{},"    node \"__eq__(self, other)\" as DEQ #d1fae5\n",[3412,3845,3847],{"class":3414,"line":3846},28,[3412,3848,3730],{},[3412,3850,3852],{"class":3414,"line":3851},29,[3412,3853,3737],{"emptyLinePlaceholder":3736},[3412,3855,3857],{"class":3414,"line":3856},30,[3412,3858,3859],{},"ADD --> DADD : транслюється у\n",[3412,3861,3863],{"class":3414,"line":3862},31,[3412,3864,3865],{},"LEN --> DLEN : транслюється у\n",[3412,3867,3869],{"class":3414,"line":3868},32,[3412,3870,3871],{},"STR --> DSTR : транслюється у\n",[3412,3873,3875],{"class":3414,"line":3874},33,[3412,3876,3877],{},"IDX --> DIDX : транслюється у\n",[3412,3879,3881],{"class":3414,"line":3880},34,[3412,3882,3883],{},"ITER --> DITER : транслюється у\n",[3412,3885,3887],{"class":3414,"line":3886},35,[3412,3888,3889],{},"CTX --> DCTX : транслюється у\n",[3412,3891,3893],{"class":3414,"line":3892},36,[3412,3894,3895],{},"EQ --> DEQ : транслюється у\n",[3412,3897,3899],{"class":3414,"line":3898},37,[3412,3900,3737],{"emptyLinePlaceholder":3736},[3412,3902,3904],{"class":3414,"line":3903},38,[3412,3905,3906],{},"note bottom of DCTX\n",[3412,3908,3910],{"class":3414,"line":3909},39,[3412,3911,3912],{},"  CPython виконує трансляцію\n",[3412,3914,3916],{"class":3414,"line":3915},40,[3412,3917,3918],{},"  синтаксису у виклики методів\n",[3412,3920,3922],{"class":3414,"line":3921},41,[3412,3923,3924],{},"  на рівні байткоду (CALL_INTRINSIC)\n",[3412,3926,3928],{"class":3414,"line":3927},42,[3412,3929,3930],{},"end note\n",[3412,3932,3934],{"class":3414,"line":3933},43,[3412,3935,3936],{},"@enduml\n",[3635,3938,3940],{"id":3939},"як-python-знаходить-dunder-методи-обхід-через-тип-а-не-екземпляр","Як Python знаходить dunder-методи: обхід через тип, а не екземпляр",[3399,3942,3943,3944,3947,3948,3951,3952,3955],{},"Ось критично важлива деталь, яку більшість розробників не знає. При виклику вбудованих операторів Python ",[3494,3945,3946],{},"не"," шукає dunder-метод в ",[3394,3949,3950],{},"__dict__"," екземпляра — він шукає його безпосередньо у ",[3494,3953,3954],{},"класі"," (типі) об'єкта.",[3403,3957,3959],{"className":3405,"code":3958,"language":3407,"meta":3408,"style":3408},"class Weird:\n    pass\n\nobj = Weird()\n\n# Динамічно додаємо __len__ на екземпляр (не в клас)\nobj.__len__ = lambda: 42\n\n# Інтуїтивно здається, що len(obj) поверне 42...\nprint(len(obj))   # TypeError: object of type 'Weird' has no len()\n",[3394,3960,3961,3974,3980,3984,3989,3993,3998,4018,4022,4027],{"__ignoreMap":3408},[3412,3962,3963,3967,3971],{"class":3414,"line":3415},[3412,3964,3966],{"class":3965},"su1O8","class",[3412,3968,3970],{"class":3969},"sN1BT"," Weird",[3412,3972,3973],{"class":3418},":\n",[3412,3975,3976],{"class":3414,"line":3436},[3412,3977,3979],{"class":3978},"s8xlr","    pass\n",[3412,3981,3982],{"class":3414,"line":3454},[3412,3983,3737],{"emptyLinePlaceholder":3736},[3412,3985,3986],{"class":3414,"line":3703},[3412,3987,3988],{"class":3418},"obj = Weird()\n",[3412,3990,3991],{"class":3414,"line":3709},[3412,3992,3737],{"emptyLinePlaceholder":3736},[3412,3994,3995],{"class":3414,"line":3715},[3412,3996,3997],{"class":3432},"# Динамічно додаємо __len__ на екземпляр (не в клас)\n",[3412,3999,4000,4003,4006,4009,4012,4015],{"class":3414,"line":3721},[3412,4001,4002],{"class":3418},"obj.",[3412,4004,3667],{"class":4005},"s8Opu",[3412,4007,4008],{"class":3418}," = ",[3412,4010,4011],{"class":3965},"lambda",[3412,4013,4014],{"class":3418},": ",[3412,4016,4017],{"class":3422},"42\n",[3412,4019,4020],{"class":3414,"line":3727},[3412,4021,3737],{"emptyLinePlaceholder":3736},[3412,4023,4024],{"class":3414,"line":3733},[3412,4025,4026],{"class":3432},"# Інтуїтивно здається, що len(obj) поверне 42...\n",[3412,4028,4029,4032,4035,4038,4041],{"class":3414,"line":3740},[3412,4030,4031],{"class":4005},"print",[3412,4033,4034],{"class":3418},"(",[3412,4036,4037],{"class":4005},"len",[3412,4039,4040],{"class":3418},"(obj))   ",[3412,4042,4043],{"class":3432},"# TypeError: object of type 'Weird' has no len()\n",[4045,4046,4047,4049,4050,4053,4054,4057,4058,4061,4062,4065],"warning",{},[3394,4048,3532],{}," викликає ",[3394,4051,4052],{},"type(obj).__len__(obj)"," — тобто шукає метод у класі та передає екземпляр явно. Dunder-методи, визначені на рівні ",[3494,4055,4056],{},"екземпляра",", ігноруються при використанні через оператори та вбудовані функції. Це зроблено навмисно — для безпеки та передбачуваності (і для прискорення CPython через спеціальні слоти типу ",[3394,4059,4060],{},"tp_len"," у C-структурі ",[3394,4063,4064],{},"PyTypeObject",").",[3399,4067,4068],{},"Але якщо ви визначаєте метод у класі — все працює:",[3403,4070,4072],{"className":3405,"code":4071,"language":3407,"meta":3408,"style":3408},"class Weird:\n    def __len__(self):\n        return 42\n\nobj = Weird()\nprint(len(obj))   # 42 ✅\n",[3394,4073,4074,4082,4099,4107,4111,4115],{"__ignoreMap":3408},[3412,4075,4076,4078,4080],{"class":3414,"line":3415},[3412,4077,3966],{"class":3965},[3412,4079,3970],{"class":3969},[3412,4081,3973],{"class":3418},[3412,4083,4084,4087,4090,4092,4096],{"class":3414,"line":3436},[3412,4085,4086],{"class":3965},"    def",[3412,4088,4089],{"class":4005}," __len__",[3412,4091,4034],{"class":3418},[3412,4093,4095],{"class":4094},"siwwj","self",[3412,4097,4098],{"class":3418},"):\n",[3412,4100,4101,4104],{"class":3414,"line":3454},[3412,4102,4103],{"class":3978},"        return",[3412,4105,4106],{"class":3422}," 42\n",[3412,4108,4109],{"class":3414,"line":3703},[3412,4110,3737],{"emptyLinePlaceholder":3736},[3412,4112,4113],{"class":3414,"line":3709},[3412,4114,3988],{"class":3418},[3412,4116,4117,4119,4121,4123,4125],{"class":3414,"line":3715},[3412,4118,4031],{"class":4005},[3412,4120,4034],{"class":3418},[3412,4122,4037],{"class":4005},[3412,4124,4040],{"class":3418},[3412,4126,4127],{"class":3432},"# 42 ✅\n",[3399,4129,4130],{},"Саме тому dunder-методи завжди визначаються у тілі класу, а не динамічно на екземплярах.",[3635,4132,4134],{"id":4133},"повна-таблиця-протоколів","Повна таблиця протоколів",[3399,4136,4137,4138,4141],{},"Перш ніж зануритись у деталі, корисно побачити повну картину. Dunder-методи згруповані у ",[3494,4139,4140],{},"протоколи"," — кожен протокол відповідає певному синтаксису або вбудованій функції.",[4143,4144,4145,4167,4199,4214,4237,4258,4263,4271,4279,4284],"field-group",{},[4146,4147,4150,4151,4153,4154,3501,4157,4153,4160,4163,4164,3546],"field",{"name":4148,"type":4149},"Протокол представлення","__str__, __repr__, __format__, __bytes__","Перетворення об'єкта на рядок. ",[3394,4152,3513],{}," → ",[3394,4155,4156],{},"__str__",[3394,4158,4159],{},"repr(obj)",[3394,4161,4162],{},"__repr__",", f-рядки з форматом → ",[3394,4165,4166],{},"__format__",[4146,4168,4171,4172,3501,4175,3501,4178,3501,4181,3501,4184,3501,4187,4190,4191,4194,4195,4198],{"name":4169,"type":4170},"Протокол порівняння","__eq__, __ne__, __lt__, __le__, __gt__, __ge__","Оператори ",[3394,4173,4174],{},"==",[3394,4176,4177],{},"!=",[3394,4179,4180],{},"\u003C",[3394,4182,4183],{},"\u003C=",[3394,4185,4186],{},">",[3394,4188,4189],{},">=",". Декоратор ",[3394,4192,4193],{},"@functools.total_ordering"," дозволяє визначити лише ",[3394,4196,4197],{},"__eq__"," і один порядковий метод.",[4146,4200,4203,4204,4207,4208,4211,4212,3546],{"name":4201,"type":4202},"Протокол хешування","__hash__","Використання об'єкта як ключа ",[3394,4205,4206],{},"dict"," або елемента ",[3394,4209,4210],{},"set",". Нерозривно пов'язаний з ",[3394,4213,4197],{},[4146,4215,4218,4219,4222,4223,4226,4227,4222,4230,4233,4234,4065],{"name":4216,"type":4217},"Арифметичний протокол","__add__, __sub__, __mul__, __truediv__, __floordiv__, __mod__, __pow__, __radd__, __iadd__, ...","Бінарні арифметичні оператори. ",[3394,4220,4221],{},"r","-варіанти (",[3394,4224,4225],{},"__radd__",") — для правого операнда. ",[3394,4228,4229],{},"i",[3394,4231,4232],{},"__iadd__",") — для операторів присвоєння (",[3394,4235,4236],{},"+=",[4146,4238,4241,4242,3501,4245,3501,4248,4251,4252,3501,4255,4065],{"name":4239,"type":4240},"Унарний протокол","__neg__, __pos__, __abs__, __invert__, __bool__, __int__, __float__, __complex__","Унарні оператори (",[3394,4243,4244],{},"-obj",[3394,4246,4247],{},"+obj",[3394,4249,4250],{},"~obj",") та перетворення типів (",[3394,4253,4254],{},"bool(obj)",[3394,4256,4257],{},"int(obj)",[4146,4259,4262],{"name":4260,"type":4261},"Контейнерний протокол","__len__, __getitem__, __setitem__, __delitem__, __contains__, __iter__, __next__, __reversed__","Послідовності, відображення, ітератори. Основа для власних колекцій.",[4146,4264,4267,4270],{"name":4265,"type":4266},"Протокол виклику","__call__",[3394,4268,4269],{},"obj(args)"," — перетворення екземпляра на callable. Основа для декораторів-класів та функторів.",[4146,4272,4275,4276,4278],{"name":4273,"type":4274},"Протокол контекстного менеджера","__enter__, __exit__","Конструкція ",[3394,4277,3538],{},". Гарантоване виконання коду при вході та виході з блоку.",[4146,4280,4283],{"name":4281,"type":4282},"Протокол атрибутів","__getattr__, __setattr__, __delattr__, __getattribute__","Перехоплення читання, запису та видалення атрибутів. Основа для ORM-полів та проксі-об'єктів.",[4146,4285,4288],{"name":4286,"type":4287},"Протокол дескриптора","__get__, __set__, __delete__, __set_name__","Детально розглянуто в окремій статті про дескриптори.",[3628,4290],{},[3389,4292,4294],{"id":4293},"частина-ii-протокол-представлення","Частина II: Протокол представлення",[3635,4296,4298,4300,4301,4303],{"id":4297},"__repr__-проти-__str__-два-різних-призначення",[3394,4299,4162],{}," проти ",[3394,4302,4156],{},": два різних призначення",[3399,4305,4306,4307,3546],{},"Це найчастіше джерело плутанини серед початківців. Обидва методи повертають рядкове представлення об'єкта, але мають ",[3494,4308,4309],{},"різну аудиторію та контракт",[4311,4312,4313,4332],"table",{},[4314,4315,4316],"thead",{},[4317,4318,4319,4323,4326,4329],"tr",{},[4320,4321,4322],"th",{},"Метод",[4320,4324,4325],{},"Аудиторія",[4320,4327,4328],{},"Призначення",[4320,4330,4331],{},"Виклик",[4333,4334,4335,4356],"tbody",{},[4317,4336,4337,4342,4345,4351],{},[4338,4339,4340],"td",{},[3394,4341,4162],{},[4338,4343,4344],{},"Розробник",[4338,4346,4347,4348],{},"Однозначне, детальне представлення для налагодження. В ідеалі: ",[3394,4349,4350],{},"eval(repr(obj)) == obj",[4338,4352,4353,4355],{},[3394,4354,4159],{},", REPL, логи",[4317,4357,4358,4362,4365,4368],{},[4338,4359,4360],{},[3394,4361,4156],{},[4338,4363,4364],{},"Кінцевий користувач",[4338,4366,4367],{},"Читабельне, «красиве» представлення",[4338,4369,4370,3501,4372,4375],{},[3394,4371,3513],{},[3394,4373,4374],{},"print(obj)",", f-рядки",[3399,4377,4378,4381,4382,4384,4385,4387,4388,3546],{},[3494,4379,4380],{},"Правило резерву:"," якщо ",[3394,4383,4156],{}," не визначено, Python використовує ",[3394,4386,4162],{}," як резервний. Тому якщо ви визначаєте лише один метод — визначайте ",[3394,4389,4162],{},[3403,4391,4393],{"className":3405,"code":4392,"language":3407,"meta":3408,"style":3408},"from datetime import datetime\n\nclass LogEntry:\n    \"\"\"Запис у журналі подій системи.\"\"\"\n    \n    def __init__(self, level: str, message: str, timestamp: datetime | None = None):\n        self.level = level\n        self.message = message\n        self.timestamp = timestamp or datetime.now()\n    \n    def __repr__(self) -> str:\n        # Для розробника: точна інформація, з якої можна відновити об'єкт\n        # Мета: eval(repr(entry)) == entry (якщо реалізовано __eq__)\n        return (\n            f\"LogEntry(\"\n            f\"level={self.level!r}, \"\n            f\"message={self.message!r}, \"\n            f\"timestamp={self.timestamp!r}\"\n            f\")\"\n        )\n    \n    def __str__(self) -> str:\n        # Для користувача: читабельний однорядковий формат логу\n        ts = self.timestamp.strftime(\"%Y-%m-%d %H:%M:%S\")\n        return f\"[{ts}] {self.level:8s} | {self.message}\"\n\n\nentry = LogEntry(\"ERROR\", \"Зʼєднання з базою даних втрачено\")\n\nprint(str(entry))\n# [2024-03-15 14:22:10] ERROR    | Зʼєднання з базою даних втрачено\n\nprint(repr(entry))\n# LogEntry(level='ERROR', message='Зʼєднання з базою даних втрачено', timestamp=datetime.datetime(2024, 3, 15, 14, 22, 10, 451233))\n\n# В REPL (інтерактивному режимі) Python автоматично показує repr():\n# >>> entry\n# LogEntry(level='ERROR', ...)\n",[3394,4394,4395,4409,4413,4422,4427,4432,4479,4487,4494,4507,4511,4529,4534,4539,4546,4554,4573,4589,4606,4613,4618,4622,4639,4644,4666,4706,4710,4714,4729,4733,4744,4749,4753,4764,4769,4773,4778,4783],{"__ignoreMap":3408},[3412,4396,4397,4400,4403,4406],{"class":3414,"line":3415},[3412,4398,4399],{"class":3978},"from",[3412,4401,4402],{"class":3418}," datetime ",[3412,4404,4405],{"class":3978},"import",[3412,4407,4408],{"class":3418}," datetime\n",[3412,4410,4411],{"class":3414,"line":3436},[3412,4412,3737],{"emptyLinePlaceholder":3736},[3412,4414,4415,4417,4420],{"class":3414,"line":3454},[3412,4416,3966],{"class":3965},[3412,4418,4419],{"class":3969}," LogEntry",[3412,4421,3973],{"class":3418},[3412,4423,4424],{"class":3414,"line":3703},[3412,4425,4426],{"class":3442},"    \"\"\"Запис у журналі подій системи.\"\"\"\n",[3412,4428,4429],{"class":3414,"line":3709},[3412,4430,4431],{"class":3418},"    \n",[3412,4433,4434,4436,4439,4441,4443,4445,4448,4450,4453,4455,4458,4460,4462,4464,4467,4470,4473,4475,4477],{"class":3414,"line":3715},[3412,4435,4086],{"class":3965},[3412,4437,4438],{"class":4005}," __init__",[3412,4440,4034],{"class":3418},[3412,4442,4095],{"class":4094},[3412,4444,3501],{"class":3418},[3412,4446,4447],{"class":4094},"level",[3412,4449,4014],{"class":3418},[3412,4451,4452],{"class":3969},"str",[3412,4454,3501],{"class":3418},[3412,4456,4457],{"class":4094},"message",[3412,4459,4014],{"class":3418},[3412,4461,4452],{"class":3969},[3412,4463,3501],{"class":3418},[3412,4465,4466],{"class":4094},"timestamp",[3412,4468,4469],{"class":3418},": datetime | ",[3412,4471,4472],{"class":3965},"None",[3412,4474,4008],{"class":3418},[3412,4476,4472],{"class":3965},[3412,4478,4098],{"class":3418},[3412,4480,4481,4484],{"class":3414,"line":3721},[3412,4482,4483],{"class":3965},"        self",[3412,4485,4486],{"class":3418},".level = level\n",[3412,4488,4489,4491],{"class":3414,"line":3727},[3412,4490,4483],{"class":3965},[3412,4492,4493],{"class":3418},".message = message\n",[3412,4495,4496,4498,4501,4504],{"class":3414,"line":3733},[3412,4497,4483],{"class":3965},[3412,4499,4500],{"class":3418},".timestamp = timestamp ",[3412,4502,4503],{"class":3965},"or",[3412,4505,4506],{"class":3418}," datetime.now()\n",[3412,4508,4509],{"class":3414,"line":3740},[3412,4510,4431],{"class":3418},[3412,4512,4513,4515,4518,4520,4522,4525,4527],{"class":3414,"line":3746},[3412,4514,4086],{"class":3965},[3412,4516,4517],{"class":4005}," __repr__",[3412,4519,4034],{"class":3418},[3412,4521,4095],{"class":4094},[3412,4523,4524],{"class":3418},") -> ",[3412,4526,4452],{"class":3969},[3412,4528,3973],{"class":3418},[3412,4530,4531],{"class":3414,"line":3752},[3412,4532,4533],{"class":3432},"        # Для розробника: точна інформація, з якої можна відновити об'єкт\n",[3412,4535,4536],{"class":3414,"line":3758},[3412,4537,4538],{"class":3432},"        # Мета: eval(repr(entry)) == entry (якщо реалізовано __eq__)\n",[3412,4540,4541,4543],{"class":3414,"line":3764},[3412,4542,4103],{"class":3978},[3412,4544,4545],{"class":3418}," (\n",[3412,4547,4548,4551],{"class":3414,"line":3770},[3412,4549,4550],{"class":3965},"            f",[3412,4552,4553],{"class":3442},"\"LogEntry(\"\n",[3412,4555,4556,4558,4561,4564,4567,4570],{"class":3414,"line":3776},[3412,4557,4550],{"class":3965},[3412,4559,4560],{"class":3442},"\"level=",[3412,4562,4563],{"class":3965},"{self",[3412,4565,4566],{"class":3418},".level",[3412,4568,4569],{"class":3965},"!r}",[3412,4571,4572],{"class":3442},", \"\n",[3412,4574,4575,4577,4580,4582,4585,4587],{"class":3414,"line":3782},[3412,4576,4550],{"class":3965},[3412,4578,4579],{"class":3442},"\"message=",[3412,4581,4563],{"class":3965},[3412,4583,4584],{"class":3418},".message",[3412,4586,4569],{"class":3965},[3412,4588,4572],{"class":3442},[3412,4590,4591,4593,4596,4598,4601,4603],{"class":3414,"line":3788},[3412,4592,4550],{"class":3965},[3412,4594,4595],{"class":3442},"\"timestamp=",[3412,4597,4563],{"class":3965},[3412,4599,4600],{"class":3418},".timestamp",[3412,4602,4569],{"class":3965},[3412,4604,4605],{"class":3442},"\"\n",[3412,4607,4608,4610],{"class":3414,"line":3793},[3412,4609,4550],{"class":3965},[3412,4611,4612],{"class":3442},"\")\"\n",[3412,4614,4615],{"class":3414,"line":3798},[3412,4616,4617],{"class":3418},"        )\n",[3412,4619,4620],{"class":3414,"line":3804},[3412,4621,4431],{"class":3418},[3412,4623,4624,4626,4629,4631,4633,4635,4637],{"class":3414,"line":3810},[3412,4625,4086],{"class":3965},[3412,4627,4628],{"class":4005}," __str__",[3412,4630,4034],{"class":3418},[3412,4632,4095],{"class":4094},[3412,4634,4524],{"class":3418},[3412,4636,4452],{"class":3969},[3412,4638,3973],{"class":3418},[3412,4640,4641],{"class":3414,"line":3816},[3412,4642,4643],{"class":3432},"        # Для користувача: читабельний однорядковий формат логу\n",[3412,4645,4646,4649,4651,4654,4657,4660,4663],{"class":3414,"line":3822},[3412,4647,4648],{"class":3418},"        ts = ",[3412,4650,4095],{"class":3965},[3412,4652,4653],{"class":3418},".timestamp.strftime(",[3412,4655,4656],{"class":3442},"\"%Y-%m-",[3412,4658,4659],{"class":3965},"%d",[3412,4661,4662],{"class":3442}," %H:%M:%S\"",[3412,4664,4665],{"class":3418},")\n",[3412,4667,4668,4670,4673,4676,4679,4682,4685,4688,4690,4692,4695,4698,4700,4702,4704],{"class":3414,"line":3828},[3412,4669,4103],{"class":3978},[3412,4671,4672],{"class":3965}," f",[3412,4674,4675],{"class":3442},"\"[",[3412,4677,4678],{"class":3965},"{",[3412,4680,4681],{"class":3418},"ts",[3412,4683,4684],{"class":3965},"}",[3412,4686,4687],{"class":3442},"] ",[3412,4689,4563],{"class":3965},[3412,4691,4566],{"class":3418},[3412,4693,4694],{"class":3965},":8s}",[3412,4696,4697],{"class":3442}," | ",[3412,4699,4563],{"class":3965},[3412,4701,4584],{"class":3418},[3412,4703,4684],{"class":3965},[3412,4705,4605],{"class":3442},[3412,4707,4708],{"class":3414,"line":3834},[3412,4709,3737],{"emptyLinePlaceholder":3736},[3412,4711,4712],{"class":3414,"line":3840},[3412,4713,3737],{"emptyLinePlaceholder":3736},[3412,4715,4716,4719,4722,4724,4727],{"class":3414,"line":3846},[3412,4717,4718],{"class":3418},"entry = LogEntry(",[3412,4720,4721],{"class":3442},"\"ERROR\"",[3412,4723,3501],{"class":3418},[3412,4725,4726],{"class":3442},"\"Зʼєднання з базою даних втрачено\"",[3412,4728,4665],{"class":3418},[3412,4730,4731],{"class":3414,"line":3851},[3412,4732,3737],{"emptyLinePlaceholder":3736},[3412,4734,4735,4737,4739,4741],{"class":3414,"line":3856},[3412,4736,4031],{"class":4005},[3412,4738,4034],{"class":3418},[3412,4740,4452],{"class":3969},[3412,4742,4743],{"class":3418},"(entry))\n",[3412,4745,4746],{"class":3414,"line":3862},[3412,4747,4748],{"class":3432},"# [2024-03-15 14:22:10] ERROR    | Зʼєднання з базою даних втрачено\n",[3412,4750,4751],{"class":3414,"line":3868},[3412,4752,3737],{"emptyLinePlaceholder":3736},[3412,4754,4755,4757,4759,4762],{"class":3414,"line":3874},[3412,4756,4031],{"class":4005},[3412,4758,4034],{"class":3418},[3412,4760,4761],{"class":4005},"repr",[3412,4763,4743],{"class":3418},[3412,4765,4766],{"class":3414,"line":3880},[3412,4767,4768],{"class":3432},"# LogEntry(level='ERROR', message='Зʼєднання з базою даних втрачено', timestamp=datetime.datetime(2024, 3, 15, 14, 22, 10, 451233))\n",[3412,4770,4771],{"class":3414,"line":3886},[3412,4772,3737],{"emptyLinePlaceholder":3736},[3412,4774,4775],{"class":3414,"line":3892},[3412,4776,4777],{"class":3432},"# В REPL (інтерактивному режимі) Python автоматично показує repr():\n",[3412,4779,4780],{"class":3414,"line":3898},[3412,4781,4782],{"class":3432},"# >>> entry\n",[3412,4784,4785],{"class":3414,"line":3903},[3412,4786,4787],{"class":3432},"# LogEntry(level='ERROR', ...)\n",[4789,4790,4791,4792,4795,4796,4014,4798,4801,4802,4805],"tip",{},"Зверніть увагу на ",[3394,4793,4794],{},"!r"," у f-рядку всередині ",[3394,4797,4162],{},[3394,4799,4800],{},"{self.level!r}"," еквівалентно ",[3394,4803,4804],{},"{repr(self.level)}",". Це гарантує, що рядкові поля будуть оточені лапками у виводі, а сам вивід залишатиметься валідним Python-виразом.",[3635,4807,4809,4810,4812],{"id":4808},"метод-__format__-власний-форматний-рядок","Метод ",[3394,4811,4166],{},": власний форматний рядок",[3399,4814,4815,4816,4818,4819,4822],{},"Є ще третій метод представлення, про який часто забувають: ",[3394,4817,4166],{},". Він викликається, коли об'єкт використовується у f-рядку або функції ",[3394,4820,4821],{},"format()"," зі специфікатором формату.",[3403,4824,4826],{"className":3405,"code":4825,"language":3407,"meta":3408,"style":3408},"class Temperature:\n    \"\"\"Температура з підтримкою форматування у різних шкалах.\"\"\"\n    \n    def __init__(self, celsius: float):\n        self.celsius = celsius\n    \n    @property\n    def fahrenheit(self) -> float:\n        return self.celsius * 9\u002F5 + 32\n    \n    @property\n    def kelvin(self) -> float:\n        return self.celsius + 273.15\n    \n    def __repr__(self) -> str:\n        return f\"Temperature({self.celsius})\"\n    \n    def __str__(self) -> str:\n        return f\"{self.celsius:.1f}°C\"\n    \n    def __format__(self, spec: str) -> str:\n        \"\"\"\n        Підтримувані специфікатори:\n        - 'C' або '' → Цельсій\n        - 'F'        → Фаренгейт\n        - 'K'        → Кельвін\n        \"\"\"\n        if spec == 'F':\n            return f\"{self.fahrenheit:.1f}°F\"\n        elif spec == 'K':\n            return f\"{self.kelvin:.2f}K\"\n        else:\n            return str(self)  # Цельсій за замовчуванням\n\n\nt = Temperature(100)\n\nprint(f\"Вода кипить при {t}\")      # Вода кипить при 100.0°C\nprint(f\"Вода кипить при {t:F}\")    # Вода кипить при 212.0°F\nprint(f\"Вода кипить при {t:K}\")    # Вода кипить при 373.15K\nprint(f\"Вода кипить при {t:C}\")    # Вода кипить при 100.0°C\n",[3394,4827,4828,4837,4842,4846,4868,4875,4879,4887,4904,4927,4931,4937,4954,4966,4970,4986,5005,5009,5025,5044,5048,5074,5079,5084,5089,5094,5099,5103,5116,5135,5147,5166,5173,5190,5194,5198,5208,5212,5239,5264,5288],{"__ignoreMap":3408},[3412,4829,4830,4832,4835],{"class":3414,"line":3415},[3412,4831,3966],{"class":3965},[3412,4833,4834],{"class":3969}," Temperature",[3412,4836,3973],{"class":3418},[3412,4838,4839],{"class":3414,"line":3436},[3412,4840,4841],{"class":3442},"    \"\"\"Температура з підтримкою форматування у різних шкалах.\"\"\"\n",[3412,4843,4844],{"class":3414,"line":3454},[3412,4845,4431],{"class":3418},[3412,4847,4848,4850,4852,4854,4856,4858,4861,4863,4866],{"class":3414,"line":3703},[3412,4849,4086],{"class":3965},[3412,4851,4438],{"class":4005},[3412,4853,4034],{"class":3418},[3412,4855,4095],{"class":4094},[3412,4857,3501],{"class":3418},[3412,4859,4860],{"class":4094},"celsius",[3412,4862,4014],{"class":3418},[3412,4864,4865],{"class":3969},"float",[3412,4867,4098],{"class":3418},[3412,4869,4870,4872],{"class":3414,"line":3709},[3412,4871,4483],{"class":3965},[3412,4873,4874],{"class":3418},".celsius = celsius\n",[3412,4876,4877],{"class":3414,"line":3715},[3412,4878,4431],{"class":3418},[3412,4880,4881,4884],{"class":3414,"line":3721},[3412,4882,4883],{"class":4005},"    @",[3412,4885,4886],{"class":3969},"property\n",[3412,4888,4889,4891,4894,4896,4898,4900,4902],{"class":3414,"line":3727},[3412,4890,4086],{"class":3965},[3412,4892,4893],{"class":4005}," fahrenheit",[3412,4895,4034],{"class":3418},[3412,4897,4095],{"class":4094},[3412,4899,4524],{"class":3418},[3412,4901,4865],{"class":3969},[3412,4903,3973],{"class":3418},[3412,4905,4906,4908,4911,4914,4917,4919,4922,4924],{"class":3414,"line":3733},[3412,4907,4103],{"class":3978},[3412,4909,4910],{"class":3965}," self",[3412,4912,4913],{"class":3418},".celsius * ",[3412,4915,4916],{"class":3422},"9",[3412,4918,3484],{"class":3418},[3412,4920,4921],{"class":3422},"5",[3412,4923,3426],{"class":3418},[3412,4925,4926],{"class":3422},"32\n",[3412,4928,4929],{"class":3414,"line":3740},[3412,4930,4431],{"class":3418},[3412,4932,4933,4935],{"class":3414,"line":3746},[3412,4934,4883],{"class":4005},[3412,4936,4886],{"class":3969},[3412,4938,4939,4941,4944,4946,4948,4950,4952],{"class":3414,"line":3752},[3412,4940,4086],{"class":3965},[3412,4942,4943],{"class":4005}," kelvin",[3412,4945,4034],{"class":3418},[3412,4947,4095],{"class":4094},[3412,4949,4524],{"class":3418},[3412,4951,4865],{"class":3969},[3412,4953,3973],{"class":3418},[3412,4955,4956,4958,4960,4963],{"class":3414,"line":3758},[3412,4957,4103],{"class":3978},[3412,4959,4910],{"class":3965},[3412,4961,4962],{"class":3418},".celsius + ",[3412,4964,4965],{"class":3422},"273.15\n",[3412,4967,4968],{"class":3414,"line":3764},[3412,4969,4431],{"class":3418},[3412,4971,4972,4974,4976,4978,4980,4982,4984],{"class":3414,"line":3770},[3412,4973,4086],{"class":3965},[3412,4975,4517],{"class":4005},[3412,4977,4034],{"class":3418},[3412,4979,4095],{"class":4094},[3412,4981,4524],{"class":3418},[3412,4983,4452],{"class":3969},[3412,4985,3973],{"class":3418},[3412,4987,4988,4990,4992,4995,4997,5000,5002],{"class":3414,"line":3776},[3412,4989,4103],{"class":3978},[3412,4991,4672],{"class":3965},[3412,4993,4994],{"class":3442},"\"Temperature(",[3412,4996,4563],{"class":3965},[3412,4998,4999],{"class":3418},".celsius",[3412,5001,4684],{"class":3965},[3412,5003,5004],{"class":3442},")\"\n",[3412,5006,5007],{"class":3414,"line":3782},[3412,5008,4431],{"class":3418},[3412,5010,5011,5013,5015,5017,5019,5021,5023],{"class":3414,"line":3788},[3412,5012,4086],{"class":3965},[3412,5014,4628],{"class":4005},[3412,5016,4034],{"class":3418},[3412,5018,4095],{"class":4094},[3412,5020,4524],{"class":3418},[3412,5022,4452],{"class":3969},[3412,5024,3973],{"class":3418},[3412,5026,5027,5029,5031,5034,5036,5038,5041],{"class":3414,"line":3793},[3412,5028,4103],{"class":3978},[3412,5030,4672],{"class":3965},[3412,5032,5033],{"class":3442},"\"",[3412,5035,4563],{"class":3965},[3412,5037,4999],{"class":3418},[3412,5039,5040],{"class":3965},":.1f}",[3412,5042,5043],{"class":3442},"°C\"\n",[3412,5045,5046],{"class":3414,"line":3798},[3412,5047,4431],{"class":3418},[3412,5049,5050,5052,5055,5057,5059,5061,5064,5066,5068,5070,5072],{"class":3414,"line":3804},[3412,5051,4086],{"class":3965},[3412,5053,5054],{"class":4005}," __format__",[3412,5056,4034],{"class":3418},[3412,5058,4095],{"class":4094},[3412,5060,3501],{"class":3418},[3412,5062,5063],{"class":4094},"spec",[3412,5065,4014],{"class":3418},[3412,5067,4452],{"class":3969},[3412,5069,4524],{"class":3418},[3412,5071,4452],{"class":3969},[3412,5073,3973],{"class":3418},[3412,5075,5076],{"class":3414,"line":3810},[3412,5077,5078],{"class":3442},"        \"\"\"\n",[3412,5080,5081],{"class":3414,"line":3816},[3412,5082,5083],{"class":3442},"        Підтримувані специфікатори:\n",[3412,5085,5086],{"class":3414,"line":3822},[3412,5087,5088],{"class":3442},"        - 'C' або '' → Цельсій\n",[3412,5090,5091],{"class":3414,"line":3828},[3412,5092,5093],{"class":3442},"        - 'F'        → Фаренгейт\n",[3412,5095,5096],{"class":3414,"line":3834},[3412,5097,5098],{"class":3442},"        - 'K'        → Кельвін\n",[3412,5100,5101],{"class":3414,"line":3840},[3412,5102,5078],{"class":3442},[3412,5104,5105,5108,5111,5114],{"class":3414,"line":3846},[3412,5106,5107],{"class":3978},"        if",[3412,5109,5110],{"class":3418}," spec == ",[3412,5112,5113],{"class":3442},"'F'",[3412,5115,3973],{"class":3418},[3412,5117,5118,5121,5123,5125,5127,5130,5132],{"class":3414,"line":3851},[3412,5119,5120],{"class":3978},"            return",[3412,5122,4672],{"class":3965},[3412,5124,5033],{"class":3442},[3412,5126,4563],{"class":3965},[3412,5128,5129],{"class":3418},".fahrenheit",[3412,5131,5040],{"class":3965},[3412,5133,5134],{"class":3442},"°F\"\n",[3412,5136,5137,5140,5142,5145],{"class":3414,"line":3856},[3412,5138,5139],{"class":3978},"        elif",[3412,5141,5110],{"class":3418},[3412,5143,5144],{"class":3442},"'K'",[3412,5146,3973],{"class":3418},[3412,5148,5149,5151,5153,5155,5157,5160,5163],{"class":3414,"line":3862},[3412,5150,5120],{"class":3978},[3412,5152,4672],{"class":3965},[3412,5154,5033],{"class":3442},[3412,5156,4563],{"class":3965},[3412,5158,5159],{"class":3418},".kelvin",[3412,5161,5162],{"class":3965},":.2f}",[3412,5164,5165],{"class":3442},"K\"\n",[3412,5167,5168,5171],{"class":3414,"line":3868},[3412,5169,5170],{"class":3978},"        else",[3412,5172,3973],{"class":3418},[3412,5174,5175,5177,5180,5182,5184,5187],{"class":3414,"line":3874},[3412,5176,5120],{"class":3978},[3412,5178,5179],{"class":3969}," str",[3412,5181,4034],{"class":3418},[3412,5183,4095],{"class":3965},[3412,5185,5186],{"class":3418},")  ",[3412,5188,5189],{"class":3432},"# Цельсій за замовчуванням\n",[3412,5191,5192],{"class":3414,"line":3880},[3412,5193,3737],{"emptyLinePlaceholder":3736},[3412,5195,5196],{"class":3414,"line":3886},[3412,5197,3737],{"emptyLinePlaceholder":3736},[3412,5199,5200,5203,5206],{"class":3414,"line":3892},[3412,5201,5202],{"class":3418},"t = Temperature(",[3412,5204,5205],{"class":3422},"100",[3412,5207,4665],{"class":3418},[3412,5209,5210],{"class":3414,"line":3898},[3412,5211,3737],{"emptyLinePlaceholder":3736},[3412,5213,5214,5216,5218,5221,5224,5226,5229,5231,5233,5236],{"class":3414,"line":3903},[3412,5215,4031],{"class":4005},[3412,5217,4034],{"class":3418},[3412,5219,5220],{"class":3965},"f",[3412,5222,5223],{"class":3442},"\"Вода кипить при ",[3412,5225,4678],{"class":3965},[3412,5227,5228],{"class":3418},"t",[3412,5230,4684],{"class":3965},[3412,5232,5033],{"class":3442},[3412,5234,5235],{"class":3418},")      ",[3412,5237,5238],{"class":3432},"# Вода кипить при 100.0°C\n",[3412,5240,5241,5243,5245,5247,5249,5251,5253,5256,5258,5261],{"class":3414,"line":3909},[3412,5242,4031],{"class":4005},[3412,5244,4034],{"class":3418},[3412,5246,5220],{"class":3965},[3412,5248,5223],{"class":3442},[3412,5250,4678],{"class":3965},[3412,5252,5228],{"class":3418},[3412,5254,5255],{"class":3965},":F}",[3412,5257,5033],{"class":3442},[3412,5259,5260],{"class":3418},")    ",[3412,5262,5263],{"class":3432},"# Вода кипить при 212.0°F\n",[3412,5265,5266,5268,5270,5272,5274,5276,5278,5281,5283,5285],{"class":3414,"line":3915},[3412,5267,4031],{"class":4005},[3412,5269,4034],{"class":3418},[3412,5271,5220],{"class":3965},[3412,5273,5223],{"class":3442},[3412,5275,4678],{"class":3965},[3412,5277,5228],{"class":3418},[3412,5279,5280],{"class":3965},":K}",[3412,5282,5033],{"class":3442},[3412,5284,5260],{"class":3418},[3412,5286,5287],{"class":3432},"# Вода кипить при 373.15K\n",[3412,5289,5290,5292,5294,5296,5298,5300,5302,5305,5307,5309],{"class":3414,"line":3921},[3412,5291,4031],{"class":4005},[3412,5293,4034],{"class":3418},[3412,5295,5220],{"class":3965},[3412,5297,5223],{"class":3442},[3412,5299,4678],{"class":3965},[3412,5301,5228],{"class":3418},[3412,5303,5304],{"class":3965},":C}",[3412,5306,5033],{"class":3442},[3412,5308,5260],{"class":3418},[3412,5310,5238],{"class":3432},[5312,5313,5315,5327,5336,5344,5352],"terminal-preview",{"title":5314},"python temperature.py",[5316,5317,5319,5324,5325],"div",{"className":5318},[3414],[3412,5320,5323],{"className":5321},[5322],"opacity-40","$"," ",[3494,5326,5314],{},[5316,5328,5330,5331],{"className":5329},[3414],"Вода кипить при ",[3412,5332,5335],{"className":5333},[5334],"text-yellow-400","100.0°C",[5316,5337,5330,5339],{"className":5338},[3414],[3412,5340,5343],{"className":5341},[5342],"text-orange-400","212.0°F",[5316,5345,5330,5347],{"className":5346},[3414],[3412,5348,5351],{"className":5349},[5350],"text-blue-400","373.15K",[5316,5353,5330,5355],{"className":5354},[3414],[3412,5356,5335],{"className":5357},[5334],[3628,5359],{},[3389,5361,5363],{"id":5362},"частина-iii-протокол-порівняння-та-хешування","Частина III: Протокол порівняння та хешування",[3635,5365,5367],{"id":5366},"оператори-порівняння-шість-методів","Оператори порівняння: шість методів",[3399,5369,5370],{},"Python транслює кожен оператор порівняння у відповідний dunder-метод:",[4311,5372,5373,5385],{},[4314,5374,5375],{},[4317,5376,5377,5380,5382],{},[4320,5378,5379],{},"Оператор",[4320,5381,4322],{},[4320,5383,5384],{},"Назва",[4333,5386,5387,5402,5417,5432,5447,5462],{},[4317,5388,5389,5394,5399],{},[4338,5390,5391],{},[3394,5392,5393],{},"a == b",[4338,5395,5396],{},[3394,5397,5398],{},"a.__eq__(b)",[4338,5400,5401],{},"Рівність",[4317,5403,5404,5409,5414],{},[4338,5405,5406],{},[3394,5407,5408],{},"a != b",[4338,5410,5411],{},[3394,5412,5413],{},"a.__ne__(b)",[4338,5415,5416],{},"Нерівність",[4317,5418,5419,5424,5429],{},[4338,5420,5421],{},[3394,5422,5423],{},"a \u003C b",[4338,5425,5426],{},[3394,5427,5428],{},"a.__lt__(b)",[4338,5430,5431],{},"Менше",[4317,5433,5434,5439,5444],{},[4338,5435,5436],{},[3394,5437,5438],{},"a \u003C= b",[4338,5440,5441],{},[3394,5442,5443],{},"a.__le__(b)",[4338,5445,5446],{},"Менше або рівне",[4317,5448,5449,5454,5459],{},[4338,5450,5451],{},[3394,5452,5453],{},"a > b",[4338,5455,5456],{},[3394,5457,5458],{},"a.__gt__(b)",[4338,5460,5461],{},"Більше",[4317,5463,5464,5469,5474],{},[4338,5465,5466],{},[3394,5467,5468],{},"a >= b",[4338,5470,5471],{},[3394,5472,5473],{},"a.__ge__(b)",[4338,5475,5476],{},"Більше або рівне",[3399,5478,5479,5480,5483],{},"Розглянемо практичний приклад: клас ",[3394,5481,5482],{},"Version"," для семантичного версіонування.",[3403,5485,5487],{"className":3405,"code":5486,"language":3407,"meta":3408,"style":3408},"from __future__ import annotations\n\nclass Version:\n    \"\"\"Семантична версія у форматі MAJOR.MINOR.PATCH (SemVer).\"\"\"\n    \n    def __init__(self, major: int, minor: int, patch: int):\n        self.major = major\n        self.minor = minor\n        self.patch = patch\n    \n    def __repr__(self) -> str:\n        return f\"Version({self.major}, {self.minor}, {self.patch})\"\n    \n    def __str__(self) -> str:\n        return f\"{self.major}.{self.minor}.{self.patch}\"\n    \n    def _as_tuple(self) -> tuple[int, int, int]:\n        \"\"\"Допоміжний метод: представлення як tuple для порівнянь.\"\"\"\n        return (self.major, self.minor, self.patch)\n    \n    def __eq__(self, other: object) -> bool:\n        if not isinstance(other, Version):\n            return NotImplemented  # не False! — важлива відмінність\n        return self._as_tuple() == other._as_tuple()\n    \n    def __lt__(self, other: Version) -> bool:\n        if not isinstance(other, Version):\n            return NotImplemented\n        return self._as_tuple() \u003C other._as_tuple()\n    \n    def __le__(self, other: Version) -> bool:\n        if not isinstance(other, Version):\n            return NotImplemented\n        return self._as_tuple() \u003C= other._as_tuple()\n    \n    # __gt__ і __ge__ Python може вивести сам через @total_ordering,\n    # але явне визначення краще для продуктивності та читабельності\n    def __gt__(self, other: Version) -> bool:\n        if not isinstance(other, Version):\n            return NotImplemented\n        return self._as_tuple() > other._as_tuple()\n    \n    def __ge__(self, other: Version) -> bool:\n        if not isinstance(other, Version):\n            return NotImplemented\n        return self._as_tuple() >= other._as_tuple()\n\n\nv1 = Version(1, 2, 3)\nv2 = Version(1, 10, 0)\nv3 = Version(1, 2, 3)\n\nprint(v1 == v3)   # True\nprint(v1 \u003C v2)    # True  (1.2.3 \u003C 1.10.0)\nprint(v2 > v1)    # True\nprint(v1 >= v3)   # True\n\n# Тепер можна сортувати список версій!\nversions = [Version(2, 0, 0), Version(1, 9, 1), Version(1, 2, 3)]\nprint(sorted(versions))\n# [Version(1, 2, 3), Version(1, 9, 1), Version(2, 0, 0)]\n",[3394,5488,5489,5502,5506,5515,5520,5524,5564,5571,5578,5585,5589,5605,5641,5645,5661,5693,5697,5724,5729,5751,5755,5783,5796,5806,5815,5819,5841,5851,5858,5867,5871,5892,5902,5908,5917,5921,5926,5931,5952,5962,5968,5977,5981,6002,6013,6020,6030,6035,6040,6061,6081,6099,6104,6115,6126,6136,6146,6151,6157,6201,6214],{"__ignoreMap":3408},[3412,5490,5491,5493,5496,5499],{"class":3414,"line":3415},[3412,5492,4399],{"class":3978},[3412,5494,5495],{"class":4094}," __future__",[3412,5497,5498],{"class":3978}," import",[3412,5500,5501],{"class":3418}," annotations\n",[3412,5503,5504],{"class":3414,"line":3436},[3412,5505,3737],{"emptyLinePlaceholder":3736},[3412,5507,5508,5510,5513],{"class":3414,"line":3454},[3412,5509,3966],{"class":3965},[3412,5511,5512],{"class":3969}," Version",[3412,5514,3973],{"class":3418},[3412,5516,5517],{"class":3414,"line":3703},[3412,5518,5519],{"class":3442},"    \"\"\"Семантична версія у форматі MAJOR.MINOR.PATCH (SemVer).\"\"\"\n",[3412,5521,5522],{"class":3414,"line":3709},[3412,5523,4431],{"class":3418},[3412,5525,5526,5528,5530,5532,5534,5536,5539,5541,5544,5546,5549,5551,5553,5555,5558,5560,5562],{"class":3414,"line":3715},[3412,5527,4086],{"class":3965},[3412,5529,4438],{"class":4005},[3412,5531,4034],{"class":3418},[3412,5533,4095],{"class":4094},[3412,5535,3501],{"class":3418},[3412,5537,5538],{"class":4094},"major",[3412,5540,4014],{"class":3418},[3412,5542,5543],{"class":3969},"int",[3412,5545,3501],{"class":3418},[3412,5547,5548],{"class":4094},"minor",[3412,5550,4014],{"class":3418},[3412,5552,5543],{"class":3969},[3412,5554,3501],{"class":3418},[3412,5556,5557],{"class":4094},"patch",[3412,5559,4014],{"class":3418},[3412,5561,5543],{"class":3969},[3412,5563,4098],{"class":3418},[3412,5565,5566,5568],{"class":3414,"line":3721},[3412,5567,4483],{"class":3965},[3412,5569,5570],{"class":3418},".major = major\n",[3412,5572,5573,5575],{"class":3414,"line":3727},[3412,5574,4483],{"class":3965},[3412,5576,5577],{"class":3418},".minor = minor\n",[3412,5579,5580,5582],{"class":3414,"line":3733},[3412,5581,4483],{"class":3965},[3412,5583,5584],{"class":3418},".patch = patch\n",[3412,5586,5587],{"class":3414,"line":3740},[3412,5588,4431],{"class":3418},[3412,5590,5591,5593,5595,5597,5599,5601,5603],{"class":3414,"line":3746},[3412,5592,4086],{"class":3965},[3412,5594,4517],{"class":4005},[3412,5596,4034],{"class":3418},[3412,5598,4095],{"class":4094},[3412,5600,4524],{"class":3418},[3412,5602,4452],{"class":3969},[3412,5604,3973],{"class":3418},[3412,5606,5607,5609,5611,5614,5616,5619,5621,5623,5625,5628,5630,5632,5634,5637,5639],{"class":3414,"line":3752},[3412,5608,4103],{"class":3978},[3412,5610,4672],{"class":3965},[3412,5612,5613],{"class":3442},"\"Version(",[3412,5615,4563],{"class":3965},[3412,5617,5618],{"class":3418},".major",[3412,5620,4684],{"class":3965},[3412,5622,3501],{"class":3442},[3412,5624,4563],{"class":3965},[3412,5626,5627],{"class":3418},".minor",[3412,5629,4684],{"class":3965},[3412,5631,3501],{"class":3442},[3412,5633,4563],{"class":3965},[3412,5635,5636],{"class":3418},".patch",[3412,5638,4684],{"class":3965},[3412,5640,5004],{"class":3442},[3412,5642,5643],{"class":3414,"line":3758},[3412,5644,4431],{"class":3418},[3412,5646,5647,5649,5651,5653,5655,5657,5659],{"class":3414,"line":3764},[3412,5648,4086],{"class":3965},[3412,5650,4628],{"class":4005},[3412,5652,4034],{"class":3418},[3412,5654,4095],{"class":4094},[3412,5656,4524],{"class":3418},[3412,5658,4452],{"class":3969},[3412,5660,3973],{"class":3418},[3412,5662,5663,5665,5667,5669,5671,5673,5675,5677,5679,5681,5683,5685,5687,5689,5691],{"class":3414,"line":3770},[3412,5664,4103],{"class":3978},[3412,5666,4672],{"class":3965},[3412,5668,5033],{"class":3442},[3412,5670,4563],{"class":3965},[3412,5672,5618],{"class":3418},[3412,5674,4684],{"class":3965},[3412,5676,3546],{"class":3442},[3412,5678,4563],{"class":3965},[3412,5680,5627],{"class":3418},[3412,5682,4684],{"class":3965},[3412,5684,3546],{"class":3442},[3412,5686,4563],{"class":3965},[3412,5688,5636],{"class":3418},[3412,5690,4684],{"class":3965},[3412,5692,4605],{"class":3442},[3412,5694,5695],{"class":3414,"line":3776},[3412,5696,4431],{"class":3418},[3412,5698,5699,5701,5704,5706,5708,5711,5713,5715,5717,5719,5721],{"class":3414,"line":3782},[3412,5700,4086],{"class":3965},[3412,5702,5703],{"class":4005}," _as_tuple",[3412,5705,4034],{"class":3418},[3412,5707,4095],{"class":4094},[3412,5709,5710],{"class":3418},") -> tuple[",[3412,5712,5543],{"class":3969},[3412,5714,3501],{"class":3418},[3412,5716,5543],{"class":3969},[3412,5718,3501],{"class":3418},[3412,5720,5543],{"class":3969},[3412,5722,5723],{"class":3418},"]:\n",[3412,5725,5726],{"class":3414,"line":3788},[3412,5727,5728],{"class":3442},"        \"\"\"Допоміжний метод: представлення як tuple для порівнянь.\"\"\"\n",[3412,5730,5731,5733,5736,5738,5741,5743,5746,5748],{"class":3414,"line":3793},[3412,5732,4103],{"class":3978},[3412,5734,5735],{"class":3418}," (",[3412,5737,4095],{"class":3965},[3412,5739,5740],{"class":3418},".major, ",[3412,5742,4095],{"class":3965},[3412,5744,5745],{"class":3418},".minor, ",[3412,5747,4095],{"class":3965},[3412,5749,5750],{"class":3418},".patch)\n",[3412,5752,5753],{"class":3414,"line":3798},[3412,5754,4431],{"class":3418},[3412,5756,5757,5759,5762,5764,5766,5768,5771,5773,5776,5778,5781],{"class":3414,"line":3804},[3412,5758,4086],{"class":3965},[3412,5760,5761],{"class":4005}," __eq__",[3412,5763,4034],{"class":3418},[3412,5765,4095],{"class":4094},[3412,5767,3501],{"class":3418},[3412,5769,5770],{"class":4094},"other",[3412,5772,4014],{"class":3418},[3412,5774,5775],{"class":3969},"object",[3412,5777,4524],{"class":3418},[3412,5779,5780],{"class":3969},"bool",[3412,5782,3973],{"class":3418},[3412,5784,5785,5787,5790,5793],{"class":3414,"line":3810},[3412,5786,5107],{"class":3978},[3412,5788,5789],{"class":3965}," not",[3412,5791,5792],{"class":4005}," isinstance",[3412,5794,5795],{"class":3418},"(other, Version):\n",[3412,5797,5798,5800,5803],{"class":3414,"line":3816},[3412,5799,5120],{"class":3978},[3412,5801,5802],{"class":3965}," NotImplemented",[3412,5804,5805],{"class":3432},"  # не False! — важлива відмінність\n",[3412,5807,5808,5810,5812],{"class":3414,"line":3822},[3412,5809,4103],{"class":3978},[3412,5811,4910],{"class":3965},[3412,5813,5814],{"class":3418},"._as_tuple() == other._as_tuple()\n",[3412,5816,5817],{"class":3414,"line":3828},[3412,5818,4431],{"class":3418},[3412,5820,5821,5823,5826,5828,5830,5832,5834,5837,5839],{"class":3414,"line":3834},[3412,5822,4086],{"class":3965},[3412,5824,5825],{"class":4005}," __lt__",[3412,5827,4034],{"class":3418},[3412,5829,4095],{"class":4094},[3412,5831,3501],{"class":3418},[3412,5833,5770],{"class":4094},[3412,5835,5836],{"class":3418},": Version) -> ",[3412,5838,5780],{"class":3969},[3412,5840,3973],{"class":3418},[3412,5842,5843,5845,5847,5849],{"class":3414,"line":3840},[3412,5844,5107],{"class":3978},[3412,5846,5789],{"class":3965},[3412,5848,5792],{"class":4005},[3412,5850,5795],{"class":3418},[3412,5852,5853,5855],{"class":3414,"line":3846},[3412,5854,5120],{"class":3978},[3412,5856,5857],{"class":3965}," NotImplemented\n",[3412,5859,5860,5862,5864],{"class":3414,"line":3851},[3412,5861,4103],{"class":3978},[3412,5863,4910],{"class":3965},[3412,5865,5866],{"class":3418},"._as_tuple() \u003C other._as_tuple()\n",[3412,5868,5869],{"class":3414,"line":3856},[3412,5870,4431],{"class":3418},[3412,5872,5873,5875,5878,5880,5882,5884,5886,5888,5890],{"class":3414,"line":3862},[3412,5874,4086],{"class":3965},[3412,5876,5877],{"class":4005}," __le__",[3412,5879,4034],{"class":3418},[3412,5881,4095],{"class":4094},[3412,5883,3501],{"class":3418},[3412,5885,5770],{"class":4094},[3412,5887,5836],{"class":3418},[3412,5889,5780],{"class":3969},[3412,5891,3973],{"class":3418},[3412,5893,5894,5896,5898,5900],{"class":3414,"line":3868},[3412,5895,5107],{"class":3978},[3412,5897,5789],{"class":3965},[3412,5899,5792],{"class":4005},[3412,5901,5795],{"class":3418},[3412,5903,5904,5906],{"class":3414,"line":3874},[3412,5905,5120],{"class":3978},[3412,5907,5857],{"class":3965},[3412,5909,5910,5912,5914],{"class":3414,"line":3880},[3412,5911,4103],{"class":3978},[3412,5913,4910],{"class":3965},[3412,5915,5916],{"class":3418},"._as_tuple() \u003C= other._as_tuple()\n",[3412,5918,5919],{"class":3414,"line":3886},[3412,5920,4431],{"class":3418},[3412,5922,5923],{"class":3414,"line":3892},[3412,5924,5925],{"class":3432},"    # __gt__ і __ge__ Python може вивести сам через @total_ordering,\n",[3412,5927,5928],{"class":3414,"line":3898},[3412,5929,5930],{"class":3432},"    # але явне визначення краще для продуктивності та читабельності\n",[3412,5932,5933,5935,5938,5940,5942,5944,5946,5948,5950],{"class":3414,"line":3903},[3412,5934,4086],{"class":3965},[3412,5936,5937],{"class":4005}," __gt__",[3412,5939,4034],{"class":3418},[3412,5941,4095],{"class":4094},[3412,5943,3501],{"class":3418},[3412,5945,5770],{"class":4094},[3412,5947,5836],{"class":3418},[3412,5949,5780],{"class":3969},[3412,5951,3973],{"class":3418},[3412,5953,5954,5956,5958,5960],{"class":3414,"line":3909},[3412,5955,5107],{"class":3978},[3412,5957,5789],{"class":3965},[3412,5959,5792],{"class":4005},[3412,5961,5795],{"class":3418},[3412,5963,5964,5966],{"class":3414,"line":3915},[3412,5965,5120],{"class":3978},[3412,5967,5857],{"class":3965},[3412,5969,5970,5972,5974],{"class":3414,"line":3921},[3412,5971,4103],{"class":3978},[3412,5973,4910],{"class":3965},[3412,5975,5976],{"class":3418},"._as_tuple() > other._as_tuple()\n",[3412,5978,5979],{"class":3414,"line":3927},[3412,5980,4431],{"class":3418},[3412,5982,5983,5985,5988,5990,5992,5994,5996,5998,6000],{"class":3414,"line":3933},[3412,5984,4086],{"class":3965},[3412,5986,5987],{"class":4005}," __ge__",[3412,5989,4034],{"class":3418},[3412,5991,4095],{"class":4094},[3412,5993,3501],{"class":3418},[3412,5995,5770],{"class":4094},[3412,5997,5836],{"class":3418},[3412,5999,5780],{"class":3969},[3412,6001,3973],{"class":3418},[3412,6003,6005,6007,6009,6011],{"class":3414,"line":6004},44,[3412,6006,5107],{"class":3978},[3412,6008,5789],{"class":3965},[3412,6010,5792],{"class":4005},[3412,6012,5795],{"class":3418},[3412,6014,6016,6018],{"class":3414,"line":6015},45,[3412,6017,5120],{"class":3978},[3412,6019,5857],{"class":3965},[3412,6021,6023,6025,6027],{"class":3414,"line":6022},46,[3412,6024,4103],{"class":3978},[3412,6026,4910],{"class":3965},[3412,6028,6029],{"class":3418},"._as_tuple() >= other._as_tuple()\n",[3412,6031,6033],{"class":3414,"line":6032},47,[3412,6034,3737],{"emptyLinePlaceholder":3736},[3412,6036,6038],{"class":3414,"line":6037},48,[3412,6039,3737],{"emptyLinePlaceholder":3736},[3412,6041,6043,6046,6049,6051,6054,6056,6059],{"class":3414,"line":6042},49,[3412,6044,6045],{"class":3418},"v1 = Version(",[3412,6047,6048],{"class":3422},"1",[3412,6050,3501],{"class":3418},[3412,6052,6053],{"class":3422},"2",[3412,6055,3501],{"class":3418},[3412,6057,6058],{"class":3422},"3",[3412,6060,4665],{"class":3418},[3412,6062,6064,6067,6069,6071,6074,6076,6079],{"class":3414,"line":6063},50,[3412,6065,6066],{"class":3418},"v2 = Version(",[3412,6068,6048],{"class":3422},[3412,6070,3501],{"class":3418},[3412,6072,6073],{"class":3422},"10",[3412,6075,3501],{"class":3418},[3412,6077,6078],{"class":3422},"0",[3412,6080,4665],{"class":3418},[3412,6082,6084,6087,6089,6091,6093,6095,6097],{"class":3414,"line":6083},51,[3412,6085,6086],{"class":3418},"v3 = Version(",[3412,6088,6048],{"class":3422},[3412,6090,3501],{"class":3418},[3412,6092,6053],{"class":3422},[3412,6094,3501],{"class":3418},[3412,6096,6058],{"class":3422},[3412,6098,4665],{"class":3418},[3412,6100,6102],{"class":3414,"line":6101},52,[3412,6103,3737],{"emptyLinePlaceholder":3736},[3412,6105,6107,6109,6112],{"class":3414,"line":6106},53,[3412,6108,4031],{"class":4005},[3412,6110,6111],{"class":3418},"(v1 == v3)   ",[3412,6113,6114],{"class":3432},"# True\n",[3412,6116,6118,6120,6123],{"class":3414,"line":6117},54,[3412,6119,4031],{"class":4005},[3412,6121,6122],{"class":3418},"(v1 \u003C v2)    ",[3412,6124,6125],{"class":3432},"# True  (1.2.3 \u003C 1.10.0)\n",[3412,6127,6129,6131,6134],{"class":3414,"line":6128},55,[3412,6130,4031],{"class":4005},[3412,6132,6133],{"class":3418},"(v2 > v1)    ",[3412,6135,6114],{"class":3432},[3412,6137,6139,6141,6144],{"class":3414,"line":6138},56,[3412,6140,4031],{"class":4005},[3412,6142,6143],{"class":3418},"(v1 >= v3)   ",[3412,6145,6114],{"class":3432},[3412,6147,6149],{"class":3414,"line":6148},57,[3412,6150,3737],{"emptyLinePlaceholder":3736},[3412,6152,6154],{"class":3414,"line":6153},58,[3412,6155,6156],{"class":3432},"# Тепер можна сортувати список версій!\n",[3412,6158,6160,6163,6165,6167,6169,6171,6173,6176,6178,6180,6182,6184,6186,6188,6190,6192,6194,6196,6198],{"class":3414,"line":6159},59,[3412,6161,6162],{"class":3418},"versions = [Version(",[3412,6164,6053],{"class":3422},[3412,6166,3501],{"class":3418},[3412,6168,6078],{"class":3422},[3412,6170,3501],{"class":3418},[3412,6172,6078],{"class":3422},[3412,6174,6175],{"class":3418},"), Version(",[3412,6177,6048],{"class":3422},[3412,6179,3501],{"class":3418},[3412,6181,4916],{"class":3422},[3412,6183,3501],{"class":3418},[3412,6185,6048],{"class":3422},[3412,6187,6175],{"class":3418},[3412,6189,6048],{"class":3422},[3412,6191,3501],{"class":3418},[3412,6193,6053],{"class":3422},[3412,6195,3501],{"class":3418},[3412,6197,6058],{"class":3422},[3412,6199,6200],{"class":3418},")]\n",[3412,6202,6204,6206,6208,6211],{"class":3414,"line":6203},60,[3412,6205,4031],{"class":4005},[3412,6207,4034],{"class":3418},[3412,6209,6210],{"class":4005},"sorted",[3412,6212,6213],{"class":3418},"(versions))\n",[3412,6215,6217],{"class":3414,"line":6216},61,[3412,6218,6219],{"class":3432},"# [Version(1, 2, 3), Version(1, 9, 1), Version(2, 0, 0)]\n",[5312,6221,6223,6231,6240,6247,6254,6261],{"title":6222},"python version.py",[5316,6224,6226,5324,6229],{"className":6225},[3414],[3412,6227,5323],{"className":6228},[5322],[3494,6230,6222],{},[5316,6232,6234,6235],{"className":6233},[3414],"v1 == v3: ",[3412,6236,6239],{"className":6237},[6238],"text-green-400","True",[5316,6241,6243,6244],{"className":6242},[3414],"v1 \u003C v2: ",[3412,6245,6239],{"className":6246},[6238],[5316,6248,6250,6251],{"className":6249},[3414],"v2 > v1: ",[3412,6252,6239],{"className":6253},[6238],[5316,6255,6257,6258],{"className":6256},[3414],"v1 >= v3: ",[3412,6259,6239],{"className":6260},[6238],[5316,6262,6264,6265],{"className":6263},[3414],"sorted: ",[3412,6266,6268],{"className":6267},[5350],"[Version(1, 2, 3), Version(1, 9, 1), Version(2, 0, 0)]",[3635,6270,6272,6275,6276,6279],{"id":6271},"notimplemented-vs-false-критична-різниця",[3394,6273,6274],{},"NotImplemented"," vs ",[3394,6277,6278],{},"False",": критична різниця",[3399,6281,6282,6283,6285,6286,6288,6289,6291],{},"Зверніть увагу: при невідповідному типі методи повертають ",[3394,6284,6274],{},", а не ",[3394,6287,6278],{},". Це ",[3494,6290,3946],{}," синтаксична помилка — це спеціальний синглтон CPython, який сигналізує інтерпретатору: «я не знаю, як порівнювати з цим типом, спробуй спитати іншу сторону».",[3399,6293,6294,6295,6297,6298,6300,6301,6304,6305,6308,6309,6311,6312,4065],{},"Коли ",[3394,6296,5398],{}," повертає ",[3394,6299,6274],{},", Python автоматично спробує ",[3394,6302,6303],{},"b.__eq__(a)"," — це механізм ",[3494,6306,6307],{},"відображення операторів"," (reflected operators). Якщо обидва повертають ",[3394,6310,6274],{},", Python вдається до порівняння по ідентичності (",[3394,6313,6314],{},"is",[3403,6316,6318],{"className":3405,"code":6317,"language":3407,"meta":3408,"style":3408},"v = Version(1, 0, 0)\n\n# Повертає NotImplemented → Python спробує \"42\".__eq__(v) → теж NotImplemented\n# → Python використовує identity comparison → False\nprint(v == \"1.0.0\")   # False (без помилки!)\nprint(v == 42)        # False (без помилки!)\n\n# Якби ми повернули False замість NotImplemented:\n# Порівняння \"1.0.0\" == v теж спрацювало б неправильно\n",[3394,6319,6320,6337,6341,6346,6351,6367,6380,6384,6389],{"__ignoreMap":3408},[3412,6321,6322,6325,6327,6329,6331,6333,6335],{"class":3414,"line":3415},[3412,6323,6324],{"class":3418},"v = Version(",[3412,6326,6048],{"class":3422},[3412,6328,3501],{"class":3418},[3412,6330,6078],{"class":3422},[3412,6332,3501],{"class":3418},[3412,6334,6078],{"class":3422},[3412,6336,4665],{"class":3418},[3412,6338,6339],{"class":3414,"line":3436},[3412,6340,3737],{"emptyLinePlaceholder":3736},[3412,6342,6343],{"class":3414,"line":3454},[3412,6344,6345],{"class":3432},"# Повертає NotImplemented → Python спробує \"42\".__eq__(v) → теж NotImplemented\n",[3412,6347,6348],{"class":3414,"line":3703},[3412,6349,6350],{"class":3432},"# → Python використовує identity comparison → False\n",[3412,6352,6353,6355,6358,6361,6364],{"class":3414,"line":3709},[3412,6354,4031],{"class":4005},[3412,6356,6357],{"class":3418},"(v == ",[3412,6359,6360],{"class":3442},"\"1.0.0\"",[3412,6362,6363],{"class":3418},")   ",[3412,6365,6366],{"class":3432},"# False (без помилки!)\n",[3412,6368,6369,6371,6373,6375,6378],{"class":3414,"line":3715},[3412,6370,4031],{"class":4005},[3412,6372,6357],{"class":3418},[3412,6374,3423],{"class":3422},[3412,6376,6377],{"class":3418},")        ",[3412,6379,6366],{"class":3432},[3412,6381,6382],{"class":3414,"line":3721},[3412,6383,3737],{"emptyLinePlaceholder":3736},[3412,6385,6386],{"class":3414,"line":3727},[3412,6387,6388],{"class":3432},"# Якби ми повернули False замість NotImplemented:\n",[3412,6390,6391],{"class":3414,"line":3733},[3412,6392,6393],{"class":3432},"# Порівняння \"1.0.0\" == v теж спрацювало б неправильно\n",[3635,6395,6397,6399],{"id":6396},"functoolstotal_ordering-мінімальна-реалізація",[3394,6398,4193],{},": мінімальна реалізація",[3399,6401,6402,6403,4194,6406,3668,6408,6411,6412,3501,6415,3501,6418,3501,6421,6424],{},"Якщо вам потрібно лише визначити порядок, але не хочеться писати всі шість методів, ",[3394,6404,6405],{},"functools.total_ordering",[3394,6407,4197],{},[3494,6409,6410],{},"один"," з ",[3394,6413,6414],{},"__lt__",[3394,6416,6417],{},"__le__",[3394,6419,6420],{},"__gt__",[3394,6422,6423],{},"__ge__"," — решту Python виведе автоматично.",[3403,6426,6428],{"className":3405,"code":6427,"language":3407,"meta":3408,"style":3408},"from functools import total_ordering\n\n@total_ordering\nclass Priority:\n    \"\"\"Пріоритет завдання: LOW \u003C MEDIUM \u003C HIGH \u003C CRITICAL.\"\"\"\n    \n    _LEVELS = {\"LOW\": 0, \"MEDIUM\": 1, \"HIGH\": 2, \"CRITICAL\": 3}\n    \n    def __init__(self, level: str):\n        if level not in self._LEVELS:\n            raise ValueError(f\"Невідомий рівень: {level}\")\n        self.level = level\n    \n    def __repr__(self) -> str:\n        return f\"Priority({self.level!r})\"\n    \n    def __eq__(self, other: object) -> bool:\n        if not isinstance(other, Priority):\n            return NotImplemented\n        return self._LEVELS[self.level] == self._LEVELS[other.level]\n    \n    def __lt__(self, other: Priority) -> bool:\n        if not isinstance(other, Priority):\n            return NotImplemented\n        return self._LEVELS[self.level] \u003C self._LEVELS[other.level]\n    \n    # __le__, __gt__, __ge__ — total_ordering виведе сам!\n\n\np1 = Priority(\"LOW\")\np2 = Priority(\"HIGH\")\n\nprint(p1 \u003C p2)   # True  ← наш __lt__\nprint(p1 > p2)   # False ← виведено total_ordering через __lt__ та __eq__\nprint(p2 >= p1)  # True  ← виведено total_ordering\n",[3394,6429,6430,6442,6446,6451,6460,6465,6469,6510,6514,6534,6552,6577,6583,6587,6603,6620,6624,6648,6659,6665,6684,6688,6709,6719,6725,6742,6746,6751,6755,6759,6768,6777,6781,6791,6801],{"__ignoreMap":3408},[3412,6431,6432,6434,6437,6439],{"class":3414,"line":3415},[3412,6433,4399],{"class":3978},[3412,6435,6436],{"class":3418}," functools ",[3412,6438,4405],{"class":3978},[3412,6440,6441],{"class":3418}," total_ordering\n",[3412,6443,6444],{"class":3414,"line":3436},[3412,6445,3737],{"emptyLinePlaceholder":3736},[3412,6447,6448],{"class":3414,"line":3454},[3412,6449,6450],{"class":4005},"@total_ordering\n",[3412,6452,6453,6455,6458],{"class":3414,"line":3703},[3412,6454,3966],{"class":3965},[3412,6456,6457],{"class":3969}," Priority",[3412,6459,3973],{"class":3418},[3412,6461,6462],{"class":3414,"line":3709},[3412,6463,6464],{"class":3442},"    \"\"\"Пріоритет завдання: LOW \u003C MEDIUM \u003C HIGH \u003C CRITICAL.\"\"\"\n",[3412,6466,6467],{"class":3414,"line":3715},[3412,6468,4431],{"class":3418},[3412,6470,6471,6474,6477,6479,6481,6483,6486,6488,6490,6492,6495,6497,6499,6501,6504,6506,6508],{"class":3414,"line":3721},[3412,6472,6473],{"class":3418},"    _LEVELS = {",[3412,6475,6476],{"class":3442},"\"LOW\"",[3412,6478,4014],{"class":3418},[3412,6480,6078],{"class":3422},[3412,6482,3501],{"class":3418},[3412,6484,6485],{"class":3442},"\"MEDIUM\"",[3412,6487,4014],{"class":3418},[3412,6489,6048],{"class":3422},[3412,6491,3501],{"class":3418},[3412,6493,6494],{"class":3442},"\"HIGH\"",[3412,6496,4014],{"class":3418},[3412,6498,6053],{"class":3422},[3412,6500,3501],{"class":3418},[3412,6502,6503],{"class":3442},"\"CRITICAL\"",[3412,6505,4014],{"class":3418},[3412,6507,6058],{"class":3422},[3412,6509,3730],{"class":3418},[3412,6511,6512],{"class":3414,"line":3727},[3412,6513,4431],{"class":3418},[3412,6515,6516,6518,6520,6522,6524,6526,6528,6530,6532],{"class":3414,"line":3733},[3412,6517,4086],{"class":3965},[3412,6519,4438],{"class":4005},[3412,6521,4034],{"class":3418},[3412,6523,4095],{"class":4094},[3412,6525,3501],{"class":3418},[3412,6527,4447],{"class":4094},[3412,6529,4014],{"class":3418},[3412,6531,4452],{"class":3969},[3412,6533,4098],{"class":3418},[3412,6535,6536,6538,6541,6544,6547,6549],{"class":3414,"line":3740},[3412,6537,5107],{"class":3978},[3412,6539,6540],{"class":3418}," level ",[3412,6542,6543],{"class":3965},"not",[3412,6545,6546],{"class":3965}," in",[3412,6548,4910],{"class":3965},[3412,6550,6551],{"class":3418},"._LEVELS:\n",[3412,6553,6554,6557,6560,6562,6564,6567,6569,6571,6573,6575],{"class":3414,"line":3746},[3412,6555,6556],{"class":3978},"            raise",[3412,6558,6559],{"class":3969}," ValueError",[3412,6561,4034],{"class":3418},[3412,6563,5220],{"class":3965},[3412,6565,6566],{"class":3442},"\"Невідомий рівень: ",[3412,6568,4678],{"class":3965},[3412,6570,4447],{"class":3418},[3412,6572,4684],{"class":3965},[3412,6574,5033],{"class":3442},[3412,6576,4665],{"class":3418},[3412,6578,6579,6581],{"class":3414,"line":3752},[3412,6580,4483],{"class":3965},[3412,6582,4486],{"class":3418},[3412,6584,6585],{"class":3414,"line":3758},[3412,6586,4431],{"class":3418},[3412,6588,6589,6591,6593,6595,6597,6599,6601],{"class":3414,"line":3764},[3412,6590,4086],{"class":3965},[3412,6592,4517],{"class":4005},[3412,6594,4034],{"class":3418},[3412,6596,4095],{"class":4094},[3412,6598,4524],{"class":3418},[3412,6600,4452],{"class":3969},[3412,6602,3973],{"class":3418},[3412,6604,6605,6607,6609,6612,6614,6616,6618],{"class":3414,"line":3770},[3412,6606,4103],{"class":3978},[3412,6608,4672],{"class":3965},[3412,6610,6611],{"class":3442},"\"Priority(",[3412,6613,4563],{"class":3965},[3412,6615,4566],{"class":3418},[3412,6617,4569],{"class":3965},[3412,6619,5004],{"class":3442},[3412,6621,6622],{"class":3414,"line":3776},[3412,6623,4431],{"class":3418},[3412,6625,6626,6628,6630,6632,6634,6636,6638,6640,6642,6644,6646],{"class":3414,"line":3782},[3412,6627,4086],{"class":3965},[3412,6629,5761],{"class":4005},[3412,6631,4034],{"class":3418},[3412,6633,4095],{"class":4094},[3412,6635,3501],{"class":3418},[3412,6637,5770],{"class":4094},[3412,6639,4014],{"class":3418},[3412,6641,5775],{"class":3969},[3412,6643,4524],{"class":3418},[3412,6645,5780],{"class":3969},[3412,6647,3973],{"class":3418},[3412,6649,6650,6652,6654,6656],{"class":3414,"line":3788},[3412,6651,5107],{"class":3978},[3412,6653,5789],{"class":3965},[3412,6655,5792],{"class":4005},[3412,6657,6658],{"class":3418},"(other, Priority):\n",[3412,6660,6661,6663],{"class":3414,"line":3793},[3412,6662,5120],{"class":3978},[3412,6664,5857],{"class":3965},[3412,6666,6667,6669,6671,6674,6676,6679,6681],{"class":3414,"line":3798},[3412,6668,4103],{"class":3978},[3412,6670,4910],{"class":3965},[3412,6672,6673],{"class":3418},"._LEVELS[",[3412,6675,4095],{"class":3965},[3412,6677,6678],{"class":3418},".level] == ",[3412,6680,4095],{"class":3965},[3412,6682,6683],{"class":3418},"._LEVELS[other.level]\n",[3412,6685,6686],{"class":3414,"line":3804},[3412,6687,4431],{"class":3418},[3412,6689,6690,6692,6694,6696,6698,6700,6702,6705,6707],{"class":3414,"line":3810},[3412,6691,4086],{"class":3965},[3412,6693,5825],{"class":4005},[3412,6695,4034],{"class":3418},[3412,6697,4095],{"class":4094},[3412,6699,3501],{"class":3418},[3412,6701,5770],{"class":4094},[3412,6703,6704],{"class":3418},": Priority) -> ",[3412,6706,5780],{"class":3969},[3412,6708,3973],{"class":3418},[3412,6710,6711,6713,6715,6717],{"class":3414,"line":3816},[3412,6712,5107],{"class":3978},[3412,6714,5789],{"class":3965},[3412,6716,5792],{"class":4005},[3412,6718,6658],{"class":3418},[3412,6720,6721,6723],{"class":3414,"line":3822},[3412,6722,5120],{"class":3978},[3412,6724,5857],{"class":3965},[3412,6726,6727,6729,6731,6733,6735,6738,6740],{"class":3414,"line":3828},[3412,6728,4103],{"class":3978},[3412,6730,4910],{"class":3965},[3412,6732,6673],{"class":3418},[3412,6734,4095],{"class":3965},[3412,6736,6737],{"class":3418},".level] \u003C ",[3412,6739,4095],{"class":3965},[3412,6741,6683],{"class":3418},[3412,6743,6744],{"class":3414,"line":3834},[3412,6745,4431],{"class":3418},[3412,6747,6748],{"class":3414,"line":3840},[3412,6749,6750],{"class":3432},"    # __le__, __gt__, __ge__ — total_ordering виведе сам!\n",[3412,6752,6753],{"class":3414,"line":3846},[3412,6754,3737],{"emptyLinePlaceholder":3736},[3412,6756,6757],{"class":3414,"line":3851},[3412,6758,3737],{"emptyLinePlaceholder":3736},[3412,6760,6761,6764,6766],{"class":3414,"line":3856},[3412,6762,6763],{"class":3418},"p1 = Priority(",[3412,6765,6476],{"class":3442},[3412,6767,4665],{"class":3418},[3412,6769,6770,6773,6775],{"class":3414,"line":3862},[3412,6771,6772],{"class":3418},"p2 = Priority(",[3412,6774,6494],{"class":3442},[3412,6776,4665],{"class":3418},[3412,6778,6779],{"class":3414,"line":3868},[3412,6780,3737],{"emptyLinePlaceholder":3736},[3412,6782,6783,6785,6788],{"class":3414,"line":3874},[3412,6784,4031],{"class":4005},[3412,6786,6787],{"class":3418},"(p1 \u003C p2)   ",[3412,6789,6790],{"class":3432},"# True  ← наш __lt__\n",[3412,6792,6793,6795,6798],{"class":3414,"line":3880},[3412,6794,4031],{"class":4005},[3412,6796,6797],{"class":3418},"(p1 > p2)   ",[3412,6799,6800],{"class":3432},"# False ← виведено total_ordering через __lt__ та __eq__\n",[3412,6802,6803,6805,6808],{"class":3414,"line":3886},[3412,6804,4031],{"class":4005},[3412,6806,6807],{"class":3418},"(p2 >= p1)  ",[3412,6809,6810],{"class":3432},"# True  ← виведено total_ordering\n",[4045,6812,6813,6816,6817,6820],{},[3394,6814,6815],{},"@total_ordering"," зручний, але ",[3494,6818,6819],{},"повільніший"," за явне визначення всіх методів: кожен виведений метод виконує додаткові виклики. Для класів, що порівнюються дуже часто (наприклад, ключі у великих структурах даних), краще визначити всі методи явно.",[3635,6822,6824,6826],{"id":6823},"__hash__-та-контракт-рівності",[3394,6825,4202],{}," та контракт рівності",[3399,6828,6829],{},"Ось одне з найважливіших правил Python, порушення якого породжує важко відтворювані баги:",[6831,6832,6833],"blockquote",{},[3399,6834,6835,6845],{},[3494,6836,6837,6838,6840,6841,6844],{},"Якщо ",[3394,6839,5393],{},", то ",[3394,6842,6843],{},"hash(a) == hash(b)"," — обов'язково.","\nЗворотне не вимагається: різні об'єкти можуть мати однаковий хеш (колізія).",[3399,6847,6848,6849,6851,6852,6854,6855,6857],{},"Ця вимога необхідна тому, що словники (",[3394,6850,4206],{},") та множини (",[3394,6853,4210],{},") використовують хеш як індекс для швидкого пошуку. Якщо два «рівних» об'єкти мають різні хеші, ",[3394,6856,4206],{}," просто не знайде один через інший.",[3399,6859,6860],{},[3494,6861,6862,6863,6865],{},"Що відбувається при перевизначенні ",[3394,6864,4197],{},":",[3399,6867,6868,6869,6871,6872,6878],{},"CPython слідкує за цим контрактом автоматично: якщо ви визначаєте ",[3394,6870,4197],{}," у класі, Python ",[3494,6873,6874,6875],{},"автоматично встановлює ",[3394,6876,6877],{},"__hash__ = None",", роблячи об'єкти нехешованими (тобто їх не можна використовувати як ключ словника або елемент множини).",[3403,6880,6882],{"className":3405,"code":6881,"language":3407,"meta":3408,"style":3408},"class BadPoint:\n    def __init__(self, x, y):\n        self.x = x\n        self.y = y\n    \n    def __eq__(self, other):\n        return isinstance(other, BadPoint) and self.x == other.x and self.y == other.y\n    # __hash__ не визначено → автоматично None\n\np = BadPoint(1, 2)\nprint(hash(p))          # TypeError: unhashable type: 'BadPoint'\ns = {p}                 # TypeError: unhashable type: 'BadPoint'\nd = {p: \"value\"}        # TypeError: unhashable type: 'BadPoint'\n",[3394,6883,6884,6893,6915,6922,6929,6933,6949,6973,6978,6982,6995,7010,7017],{"__ignoreMap":3408},[3412,6885,6886,6888,6891],{"class":3414,"line":3415},[3412,6887,3966],{"class":3965},[3412,6889,6890],{"class":3969}," BadPoint",[3412,6892,3973],{"class":3418},[3412,6894,6895,6897,6899,6901,6903,6905,6908,6910,6913],{"class":3414,"line":3436},[3412,6896,4086],{"class":3965},[3412,6898,4438],{"class":4005},[3412,6900,4034],{"class":3418},[3412,6902,4095],{"class":4094},[3412,6904,3501],{"class":3418},[3412,6906,6907],{"class":4094},"x",[3412,6909,3501],{"class":3418},[3412,6911,6912],{"class":4094},"y",[3412,6914,4098],{"class":3418},[3412,6916,6917,6919],{"class":3414,"line":3454},[3412,6918,4483],{"class":3965},[3412,6920,6921],{"class":3418},".x = x\n",[3412,6923,6924,6926],{"class":3414,"line":3703},[3412,6925,4483],{"class":3965},[3412,6927,6928],{"class":3418},".y = y\n",[3412,6930,6931],{"class":3414,"line":3709},[3412,6932,4431],{"class":3418},[3412,6934,6935,6937,6939,6941,6943,6945,6947],{"class":3414,"line":3715},[3412,6936,4086],{"class":3965},[3412,6938,5761],{"class":4005},[3412,6940,4034],{"class":3418},[3412,6942,4095],{"class":4094},[3412,6944,3501],{"class":3418},[3412,6946,5770],{"class":4094},[3412,6948,4098],{"class":3418},[3412,6950,6951,6953,6955,6958,6961,6963,6966,6968,6970],{"class":3414,"line":3721},[3412,6952,4103],{"class":3978},[3412,6954,5792],{"class":4005},[3412,6956,6957],{"class":3418},"(other, BadPoint) ",[3412,6959,6960],{"class":3965},"and",[3412,6962,4910],{"class":3965},[3412,6964,6965],{"class":3418},".x == other.x ",[3412,6967,6960],{"class":3965},[3412,6969,4910],{"class":3965},[3412,6971,6972],{"class":3418},".y == other.y\n",[3412,6974,6975],{"class":3414,"line":3727},[3412,6976,6977],{"class":3432},"    # __hash__ не визначено → автоматично None\n",[3412,6979,6980],{"class":3414,"line":3733},[3412,6981,3737],{"emptyLinePlaceholder":3736},[3412,6983,6984,6987,6989,6991,6993],{"class":3414,"line":3740},[3412,6985,6986],{"class":3418},"p = BadPoint(",[3412,6988,6048],{"class":3422},[3412,6990,3501],{"class":3418},[3412,6992,6053],{"class":3422},[3412,6994,4665],{"class":3418},[3412,6996,6997,6999,7001,7004,7007],{"class":3414,"line":3746},[3412,6998,4031],{"class":4005},[3412,7000,4034],{"class":3418},[3412,7002,7003],{"class":4005},"hash",[3412,7005,7006],{"class":3418},"(p))          ",[3412,7008,7009],{"class":3432},"# TypeError: unhashable type: 'BadPoint'\n",[3412,7011,7012,7015],{"class":3414,"line":3752},[3412,7013,7014],{"class":3418},"s = {p}                 ",[3412,7016,7009],{"class":3432},[3412,7018,7019,7022,7025,7028],{"class":3414,"line":3758},[3412,7020,7021],{"class":3418},"d = {p: ",[3412,7023,7024],{"class":3442},"\"value\"",[3412,7026,7027],{"class":3418},"}        ",[3412,7029,7009],{"class":3432},[3399,7031,7032,7033,7035,7036,7039,7040,6865],{},"Щоб об'єкт залишався хешованим після перевизначення ",[3394,7034,4197],{},", потрібно ",[3494,7037,7038],{},"явно"," визначити ",[3394,7041,4202],{},[3403,7043,7045],{"className":3405,"code":7044,"language":3407,"meta":3408,"style":3408},"class Point:\n    \"\"\"Незмінна точка у 2D просторі.\"\"\"\n    \n    def __init__(self, x: float, y: float):\n        self.x = x\n        self.y = y\n    \n    def __repr__(self) -> str:\n        return f\"Point({self.x}, {self.y})\"\n    \n    def __eq__(self, other: object) -> bool:\n        if not isinstance(other, Point):\n            return NotImplemented\n        return self.x == other.x and self.y == other.y\n    \n    def __hash__(self) -> int:\n        # hash() від tuple гарантує сумісність з контрактом:\n        # якщо self == other, то self._as_tuple() == other._as_tuple()\n        # тому hash(self._as_tuple()) == hash(other._as_tuple())\n        return hash((self.x, self.y))\n\n\np1 = Point(1.0, 2.0)\np2 = Point(1.0, 2.0)  # інший об'єкт, але рівний p1\n\nprint(p1 == p2)           # True\nprint(hash(p1) == hash(p2))  # True ✅ контракт виконано\n\n# Тепер Point можна використовувати як ключ словника і в множині\nvisited = {p1, p2}\nprint(len(visited))   # 1 — Python розпізнав їх як рівні\n\ncache = {p1: \"result\"}\nprint(cache[p2])      # \"result\" — знайдено через p2, хоча додавали через p1\n",[3394,7046,7047,7056,7061,7065,7093,7099,7105,7109,7125,7152,7156,7180,7191,7197,7211,7215,7232,7237,7242,7247,7267,7271,7275,7290,7306,7310,7319,7338,7342,7347,7352,7366,7370,7380],{"__ignoreMap":3408},[3412,7048,7049,7051,7054],{"class":3414,"line":3415},[3412,7050,3966],{"class":3965},[3412,7052,7053],{"class":3969}," Point",[3412,7055,3973],{"class":3418},[3412,7057,7058],{"class":3414,"line":3436},[3412,7059,7060],{"class":3442},"    \"\"\"Незмінна точка у 2D просторі.\"\"\"\n",[3412,7062,7063],{"class":3414,"line":3454},[3412,7064,4431],{"class":3418},[3412,7066,7067,7069,7071,7073,7075,7077,7079,7081,7083,7085,7087,7089,7091],{"class":3414,"line":3703},[3412,7068,4086],{"class":3965},[3412,7070,4438],{"class":4005},[3412,7072,4034],{"class":3418},[3412,7074,4095],{"class":4094},[3412,7076,3501],{"class":3418},[3412,7078,6907],{"class":4094},[3412,7080,4014],{"class":3418},[3412,7082,4865],{"class":3969},[3412,7084,3501],{"class":3418},[3412,7086,6912],{"class":4094},[3412,7088,4014],{"class":3418},[3412,7090,4865],{"class":3969},[3412,7092,4098],{"class":3418},[3412,7094,7095,7097],{"class":3414,"line":3709},[3412,7096,4483],{"class":3965},[3412,7098,6921],{"class":3418},[3412,7100,7101,7103],{"class":3414,"line":3715},[3412,7102,4483],{"class":3965},[3412,7104,6928],{"class":3418},[3412,7106,7107],{"class":3414,"line":3721},[3412,7108,4431],{"class":3418},[3412,7110,7111,7113,7115,7117,7119,7121,7123],{"class":3414,"line":3727},[3412,7112,4086],{"class":3965},[3412,7114,4517],{"class":4005},[3412,7116,4034],{"class":3418},[3412,7118,4095],{"class":4094},[3412,7120,4524],{"class":3418},[3412,7122,4452],{"class":3969},[3412,7124,3973],{"class":3418},[3412,7126,7127,7129,7131,7134,7136,7139,7141,7143,7145,7148,7150],{"class":3414,"line":3733},[3412,7128,4103],{"class":3978},[3412,7130,4672],{"class":3965},[3412,7132,7133],{"class":3442},"\"Point(",[3412,7135,4563],{"class":3965},[3412,7137,7138],{"class":3418},".x",[3412,7140,4684],{"class":3965},[3412,7142,3501],{"class":3442},[3412,7144,4563],{"class":3965},[3412,7146,7147],{"class":3418},".y",[3412,7149,4684],{"class":3965},[3412,7151,5004],{"class":3442},[3412,7153,7154],{"class":3414,"line":3740},[3412,7155,4431],{"class":3418},[3412,7157,7158,7160,7162,7164,7166,7168,7170,7172,7174,7176,7178],{"class":3414,"line":3746},[3412,7159,4086],{"class":3965},[3412,7161,5761],{"class":4005},[3412,7163,4034],{"class":3418},[3412,7165,4095],{"class":4094},[3412,7167,3501],{"class":3418},[3412,7169,5770],{"class":4094},[3412,7171,4014],{"class":3418},[3412,7173,5775],{"class":3969},[3412,7175,4524],{"class":3418},[3412,7177,5780],{"class":3969},[3412,7179,3973],{"class":3418},[3412,7181,7182,7184,7186,7188],{"class":3414,"line":3752},[3412,7183,5107],{"class":3978},[3412,7185,5789],{"class":3965},[3412,7187,5792],{"class":4005},[3412,7189,7190],{"class":3418},"(other, Point):\n",[3412,7192,7193,7195],{"class":3414,"line":3758},[3412,7194,5120],{"class":3978},[3412,7196,5857],{"class":3965},[3412,7198,7199,7201,7203,7205,7207,7209],{"class":3414,"line":3764},[3412,7200,4103],{"class":3978},[3412,7202,4910],{"class":3965},[3412,7204,6965],{"class":3418},[3412,7206,6960],{"class":3965},[3412,7208,4910],{"class":3965},[3412,7210,6972],{"class":3418},[3412,7212,7213],{"class":3414,"line":3770},[3412,7214,4431],{"class":3418},[3412,7216,7217,7219,7222,7224,7226,7228,7230],{"class":3414,"line":3776},[3412,7218,4086],{"class":3965},[3412,7220,7221],{"class":4005}," __hash__",[3412,7223,4034],{"class":3418},[3412,7225,4095],{"class":4094},[3412,7227,4524],{"class":3418},[3412,7229,5543],{"class":3969},[3412,7231,3973],{"class":3418},[3412,7233,7234],{"class":3414,"line":3782},[3412,7235,7236],{"class":3432},"        # hash() від tuple гарантує сумісність з контрактом:\n",[3412,7238,7239],{"class":3414,"line":3788},[3412,7240,7241],{"class":3432},"        # якщо self == other, то self._as_tuple() == other._as_tuple()\n",[3412,7243,7244],{"class":3414,"line":3793},[3412,7245,7246],{"class":3432},"        # тому hash(self._as_tuple()) == hash(other._as_tuple())\n",[3412,7248,7249,7251,7254,7257,7259,7262,7264],{"class":3414,"line":3798},[3412,7250,4103],{"class":3978},[3412,7252,7253],{"class":4005}," hash",[3412,7255,7256],{"class":3418},"((",[3412,7258,4095],{"class":3965},[3412,7260,7261],{"class":3418},".x, ",[3412,7263,4095],{"class":3965},[3412,7265,7266],{"class":3418},".y))\n",[3412,7268,7269],{"class":3414,"line":3804},[3412,7270,3737],{"emptyLinePlaceholder":3736},[3412,7272,7273],{"class":3414,"line":3810},[3412,7274,3737],{"emptyLinePlaceholder":3736},[3412,7276,7277,7280,7283,7285,7288],{"class":3414,"line":3816},[3412,7278,7279],{"class":3418},"p1 = Point(",[3412,7281,7282],{"class":3422},"1.0",[3412,7284,3501],{"class":3418},[3412,7286,7287],{"class":3422},"2.0",[3412,7289,4665],{"class":3418},[3412,7291,7292,7295,7297,7299,7301,7303],{"class":3414,"line":3822},[3412,7293,7294],{"class":3418},"p2 = Point(",[3412,7296,7282],{"class":3422},[3412,7298,3501],{"class":3418},[3412,7300,7287],{"class":3422},[3412,7302,5186],{"class":3418},[3412,7304,7305],{"class":3432},"# інший об'єкт, але рівний p1\n",[3412,7307,7308],{"class":3414,"line":3828},[3412,7309,3737],{"emptyLinePlaceholder":3736},[3412,7311,7312,7314,7317],{"class":3414,"line":3834},[3412,7313,4031],{"class":4005},[3412,7315,7316],{"class":3418},"(p1 == p2)           ",[3412,7318,6114],{"class":3432},[3412,7320,7321,7323,7325,7327,7330,7332,7335],{"class":3414,"line":3840},[3412,7322,4031],{"class":4005},[3412,7324,4034],{"class":3418},[3412,7326,7003],{"class":4005},[3412,7328,7329],{"class":3418},"(p1) == ",[3412,7331,7003],{"class":4005},[3412,7333,7334],{"class":3418},"(p2))  ",[3412,7336,7337],{"class":3432},"# True ✅ контракт виконано\n",[3412,7339,7340],{"class":3414,"line":3846},[3412,7341,3737],{"emptyLinePlaceholder":3736},[3412,7343,7344],{"class":3414,"line":3851},[3412,7345,7346],{"class":3432},"# Тепер Point можна використовувати як ключ словника і в множині\n",[3412,7348,7349],{"class":3414,"line":3856},[3412,7350,7351],{"class":3418},"visited = {p1, p2}\n",[3412,7353,7354,7356,7358,7360,7363],{"class":3414,"line":3862},[3412,7355,4031],{"class":4005},[3412,7357,4034],{"class":3418},[3412,7359,4037],{"class":4005},[3412,7361,7362],{"class":3418},"(visited))   ",[3412,7364,7365],{"class":3432},"# 1 — Python розпізнав їх як рівні\n",[3412,7367,7368],{"class":3414,"line":3868},[3412,7369,3737],{"emptyLinePlaceholder":3736},[3412,7371,7372,7375,7378],{"class":3414,"line":3874},[3412,7373,7374],{"class":3418},"cache = {p1: ",[3412,7376,7377],{"class":3442},"\"result\"",[3412,7379,3730],{"class":3418},[3412,7381,7382,7384,7387],{"class":3414,"line":3880},[3412,7383,4031],{"class":4005},[3412,7385,7386],{"class":3418},"(cache[p2])      ",[3412,7388,7389],{"class":3432},"# \"result\" — знайдено через p2, хоча додавали через p1\n",[5312,7391,7393,7401,7408,7415,7428],{"title":7392},"python point_hash.py",[5316,7394,7396,5324,7399],{"className":7395},[3414],[3412,7397,5323],{"className":7398},[5322],[3494,7400,7392],{},[5316,7402,7404,7405],{"className":7403},[3414],"p1 == p2: ",[3412,7406,6239],{"className":7407},[6238],[5316,7409,7411,7412],{"className":7410},[3414],"hash(p1) == hash(p2): ",[3412,7413,6239],{"className":7414},[6238],[5316,7416,7418,7419,7422,7423],{"className":7417},[3414],"len(visited): ",[3412,7420,6048],{"className":7421},[5334],"  ",[3412,7424,7427],{"className":7425},[7426],"text-gray-400","# два однакових об'єкти злилися в один елемент set",[5316,7429,7431,7432],{"className":7430},[3414],"cache[p2]: ",[3412,7433,7435],{"className":7434},[5350],"'result'",[7437,7438,7439,7442,7443,7446,7447,7449,7450,7452,7453,7456,7457,7459,7460,7463,7464,7467,7468,7470,7471,7473],"important",{},[3494,7440,7441],{},"Хешування та мутабельність."," Мутабельні об'єкти, як правило, ",[3494,7444,7445],{},"не повинні"," бути хешованими. Уявіть: ви додали ",[3394,7448,3399],{}," у ",[3394,7451,4210],{},", потім змінили ",[3394,7454,7455],{},"p.x"," — хеш змінився, але множина не знає про це. Тепер ",[3394,7458,3399],{}," «загублено» всередині множини. Саме тому ",[3394,7461,7462],{},"list"," не є хешованим, а ",[3394,7465,7466],{},"tuple"," — є. Якщо ваш клас мутабельний і ви хочете ",[3394,7469,4197],{}," — не визначайте ",[3394,7472,4202],{}," і приймайте, що об'єкти будуть нехешованими.",[3628,7475],{},[3389,7477,7479],{"id":7478},"частина-iv-арифметичний-протокол","Частина IV: Арифметичний протокол",[3635,7481,7483],{"id":7482},"бінарні-оператори-ліві-праві-та-in-place-варіанти","Бінарні оператори: ліві, праві та in-place варіанти",[3399,7485,7486],{},"Арифметичний протокол Python містить три рівні для кожного оператора:",[4143,7488,7489,7502,7518],{},[4146,7490,7493,7494,4153,7496,7498,7499,7501],{"name":7491,"type":7492},"__add__(self, other)","Лівий оператор","Викликається для лівого операнда: ",[3394,7495,3524],{},[3394,7497,3528],{},". Якщо повертає ",[3394,7500,6274],{},", Python пробує правий варіант.",[4146,7503,7506,7507,4014,7509,4153,7511,7514,7515,4065],{"name":7504,"type":7505},"__radd__(self, other)","Правий (reflected) оператор","Викликається для правого операнда, якщо лівий повернув ",[3394,7508,6274],{},[3394,7510,3524],{},[3394,7512,7513],{},"b.__radd__(a)",". Необхідний для сумісності з вбудованими типами (наприклад, ",[3394,7516,7517],{},"5 + my_obj",[4146,7519,7522,7523,7526,7527,7530],{"name":7520,"type":7521},"__iadd__(self, other)","In-place оператор","Викликається для ",[3394,7524,7525],{},"a += b",". Якщо не визначено — Python використовує ",[3394,7528,7529],{},"__add__"," та перепризначає змінну. Для мутабельних об'єктів варто визначати явно, щоб уникнути створення нового об'єкта.",[3399,7532,7533,7534,7536],{},"Побудуємо клас ",[3394,7535,3556],{}," для двовимірного вектора — класичний приклад, що добре ілюструє всі три рівні:",[3403,7538,7540],{"className":3405,"code":7539,"language":3407,"meta":3408,"style":3408},"from __future__ import annotations\nimport math\n\nclass Vector:\n    \"\"\"Двовимірний вектор з підтримкою арифметики.\"\"\"\n    \n    def __init__(self, x: float, y: float):\n        self.x = x\n        self.y = y\n    \n    def __repr__(self) -> str:\n        return f\"Vector({self.x}, {self.y})\"\n    \n    def __str__(self) -> str:\n        return f\"({self.x}, {self.y})\"\n    \n    # --- Лівий оператор + ---\n    def __add__(self, other: Vector) -> Vector:\n        if not isinstance(other, Vector):\n            return NotImplemented\n        return Vector(self.x + other.x, self.y + other.y)\n    \n    # --- Правий оператор + (для: scalar + Vector — не підходить,\n    #     але для Vector + Vector з іншого класу) ---\n    def __radd__(self, other: object) -> Vector:\n        # Тут можна підтримати sum([v1, v2, v3]):\n        # sum() починає з 0 + v1 → 0.__add__(v1) → NotImplemented\n        # → v1.__radd__(0) → тут ми обробляємо int(0)\n        if other == 0:\n            return self  # нейтральний елемент для sum()\n        return NotImplemented\n    \n    # --- In-place += ---\n    def __iadd__(self, other: Vector) -> Vector:\n        if not isinstance(other, Vector):\n            return NotImplemented\n        # Мутуємо self, повертаємо self — не створюємо новий об'єкт\n        self.x += other.x\n        self.y += other.y\n        return self\n    \n    # --- Субтракція ---\n    def __sub__(self, other: Vector) -> Vector:\n        if not isinstance(other, Vector):\n            return NotImplemented\n        return Vector(self.x - other.x, self.y - other.y)\n    \n    # --- Множення: вектор * скаляр ---\n    def __mul__(self, scalar: float) -> Vector:\n        if not isinstance(scalar, (int, float)):\n            return NotImplemented\n        return Vector(self.x * scalar, self.y * scalar)\n    \n    # --- Множення: скаляр * вектор (2.0 * v) ---\n    def __rmul__(self, scalar: float) -> Vector:\n        return self.__mul__(scalar)  # комутативна операція\n    \n    # --- Унарний мінус: -v ---\n    def __neg__(self) -> Vector:\n        return Vector(-self.x, -self.y)\n    \n    # --- Абсолютне значення: довжина вектора ---\n    def __abs__(self) -> float:\n        return math.sqrt(self.x ** 2 + self.y ** 2)\n    \n    # --- bool: ненульовий вектор ---\n    def __bool__(self) -> bool:\n        return bool(self.x or self.y)\n    \n    def __eq__(self, other: object) -> bool:\n        if not isinstance(other, Vector):\n            return NotImplemented\n        return self.x == other.x and self.y == other.y\n\n\n# Демонстрація\nv1 = Vector(1, 2)\nv2 = Vector(3, 4)\n\nprint(v1 + v2)          # (4, 6)\nprint(v2 - v1)          # (2, 2)\nprint(v1 * 3.0)         # (3.0, 6.0)\nprint(2.0 * v1)         # (2.0, 4.0)  ← __rmul__ у дії\nprint(-v1)              # (-1, -2)\nprint(abs(v2))          # 5.0 (теорема Піфагора: √(9+16))\nprint(bool(Vector(0,0)))  # False\nprint(bool(v1))           # True\n\n# Магія __radd__: sum() тепер працює зі списком векторів!\nvectors = [Vector(1, 0), Vector(0, 2), Vector(3, 1)]\ntotal = sum(vectors)    # sum(iterable, start=0): 0 + v1 + v2 + v3\nprint(total)            # (4, 3)\n\n# In-place оператор: мутує v1, не створює новий об'єкт\noriginal_id = id(v1)\nv1 += Vector(10, 10)\nprint(v1)               # (11, 12)\nprint(id(v1) == original_id)  # True — той самий об'єкт!\n",[3394,7541,7542,7552,7559,7563,7572,7577,7581,7609,7615,7621,7625,7641,7666,7670,7686,7711,7715,7720,7738,7749,7755,7772,7776,7781,7786,7808,7813,7818,7823,7834,7843,7849,7853,7858,7875,7885,7891,7896,7903,7910,7917,7921,7926,7943,7953,7959,7975,7979,7984,8006,8026,8032,8048,8052,8057,8078,8095,8099,8104,8117,8134,8138,8144,8162,8188,8193,8199,8217,8238,8243,8268,8279,8286,8301,8306,8311,8317,8331,8346,8351,8362,8373,8390,8405,8416,8432,8457,8471,8476,8482,8513,8528,8539,8544,8550,8562,8576,8587],{"__ignoreMap":3408},[3412,7543,7544,7546,7548,7550],{"class":3414,"line":3415},[3412,7545,4399],{"class":3978},[3412,7547,5495],{"class":4094},[3412,7549,5498],{"class":3978},[3412,7551,5501],{"class":3418},[3412,7553,7554,7556],{"class":3414,"line":3436},[3412,7555,4405],{"class":3978},[3412,7557,7558],{"class":3418}," math\n",[3412,7560,7561],{"class":3414,"line":3454},[3412,7562,3737],{"emptyLinePlaceholder":3736},[3412,7564,7565,7567,7570],{"class":3414,"line":3703},[3412,7566,3966],{"class":3965},[3412,7568,7569],{"class":3969}," Vector",[3412,7571,3973],{"class":3418},[3412,7573,7574],{"class":3414,"line":3709},[3412,7575,7576],{"class":3442},"    \"\"\"Двовимірний вектор з підтримкою арифметики.\"\"\"\n",[3412,7578,7579],{"class":3414,"line":3715},[3412,7580,4431],{"class":3418},[3412,7582,7583,7585,7587,7589,7591,7593,7595,7597,7599,7601,7603,7605,7607],{"class":3414,"line":3721},[3412,7584,4086],{"class":3965},[3412,7586,4438],{"class":4005},[3412,7588,4034],{"class":3418},[3412,7590,4095],{"class":4094},[3412,7592,3501],{"class":3418},[3412,7594,6907],{"class":4094},[3412,7596,4014],{"class":3418},[3412,7598,4865],{"class":3969},[3412,7600,3501],{"class":3418},[3412,7602,6912],{"class":4094},[3412,7604,4014],{"class":3418},[3412,7606,4865],{"class":3969},[3412,7608,4098],{"class":3418},[3412,7610,7611,7613],{"class":3414,"line":3727},[3412,7612,4483],{"class":3965},[3412,7614,6921],{"class":3418},[3412,7616,7617,7619],{"class":3414,"line":3733},[3412,7618,4483],{"class":3965},[3412,7620,6928],{"class":3418},[3412,7622,7623],{"class":3414,"line":3740},[3412,7624,4431],{"class":3418},[3412,7626,7627,7629,7631,7633,7635,7637,7639],{"class":3414,"line":3746},[3412,7628,4086],{"class":3965},[3412,7630,4517],{"class":4005},[3412,7632,4034],{"class":3418},[3412,7634,4095],{"class":4094},[3412,7636,4524],{"class":3418},[3412,7638,4452],{"class":3969},[3412,7640,3973],{"class":3418},[3412,7642,7643,7645,7647,7650,7652,7654,7656,7658,7660,7662,7664],{"class":3414,"line":3752},[3412,7644,4103],{"class":3978},[3412,7646,4672],{"class":3965},[3412,7648,7649],{"class":3442},"\"Vector(",[3412,7651,4563],{"class":3965},[3412,7653,7138],{"class":3418},[3412,7655,4684],{"class":3965},[3412,7657,3501],{"class":3442},[3412,7659,4563],{"class":3965},[3412,7661,7147],{"class":3418},[3412,7663,4684],{"class":3965},[3412,7665,5004],{"class":3442},[3412,7667,7668],{"class":3414,"line":3758},[3412,7669,4431],{"class":3418},[3412,7671,7672,7674,7676,7678,7680,7682,7684],{"class":3414,"line":3764},[3412,7673,4086],{"class":3965},[3412,7675,4628],{"class":4005},[3412,7677,4034],{"class":3418},[3412,7679,4095],{"class":4094},[3412,7681,4524],{"class":3418},[3412,7683,4452],{"class":3969},[3412,7685,3973],{"class":3418},[3412,7687,7688,7690,7692,7695,7697,7699,7701,7703,7705,7707,7709],{"class":3414,"line":3770},[3412,7689,4103],{"class":3978},[3412,7691,4672],{"class":3965},[3412,7693,7694],{"class":3442},"\"(",[3412,7696,4563],{"class":3965},[3412,7698,7138],{"class":3418},[3412,7700,4684],{"class":3965},[3412,7702,3501],{"class":3442},[3412,7704,4563],{"class":3965},[3412,7706,7147],{"class":3418},[3412,7708,4684],{"class":3965},[3412,7710,5004],{"class":3442},[3412,7712,7713],{"class":3414,"line":3776},[3412,7714,4431],{"class":3418},[3412,7716,7717],{"class":3414,"line":3782},[3412,7718,7719],{"class":3432},"    # --- Лівий оператор + ---\n",[3412,7721,7722,7724,7727,7729,7731,7733,7735],{"class":3414,"line":3788},[3412,7723,4086],{"class":3965},[3412,7725,7726],{"class":4005}," __add__",[3412,7728,4034],{"class":3418},[3412,7730,4095],{"class":4094},[3412,7732,3501],{"class":3418},[3412,7734,5770],{"class":4094},[3412,7736,7737],{"class":3418},": Vector) -> Vector:\n",[3412,7739,7740,7742,7744,7746],{"class":3414,"line":3793},[3412,7741,5107],{"class":3978},[3412,7743,5789],{"class":3965},[3412,7745,5792],{"class":4005},[3412,7747,7748],{"class":3418},"(other, Vector):\n",[3412,7750,7751,7753],{"class":3414,"line":3798},[3412,7752,5120],{"class":3978},[3412,7754,5857],{"class":3965},[3412,7756,7757,7759,7762,7764,7767,7769],{"class":3414,"line":3804},[3412,7758,4103],{"class":3978},[3412,7760,7761],{"class":3418}," Vector(",[3412,7763,4095],{"class":3965},[3412,7765,7766],{"class":3418},".x + other.x, ",[3412,7768,4095],{"class":3965},[3412,7770,7771],{"class":3418},".y + other.y)\n",[3412,7773,7774],{"class":3414,"line":3810},[3412,7775,4431],{"class":3418},[3412,7777,7778],{"class":3414,"line":3816},[3412,7779,7780],{"class":3432},"    # --- Правий оператор + (для: scalar + Vector — не підходить,\n",[3412,7782,7783],{"class":3414,"line":3822},[3412,7784,7785],{"class":3432},"    #     але для Vector + Vector з іншого класу) ---\n",[3412,7787,7788,7790,7793,7795,7797,7799,7801,7803,7805],{"class":3414,"line":3828},[3412,7789,4086],{"class":3965},[3412,7791,7792],{"class":4005}," __radd__",[3412,7794,4034],{"class":3418},[3412,7796,4095],{"class":4094},[3412,7798,3501],{"class":3418},[3412,7800,5770],{"class":4094},[3412,7802,4014],{"class":3418},[3412,7804,5775],{"class":3969},[3412,7806,7807],{"class":3418},") -> Vector:\n",[3412,7809,7810],{"class":3414,"line":3834},[3412,7811,7812],{"class":3432},"        # Тут можна підтримати sum([v1, v2, v3]):\n",[3412,7814,7815],{"class":3414,"line":3840},[3412,7816,7817],{"class":3432},"        # sum() починає з 0 + v1 → 0.__add__(v1) → NotImplemented\n",[3412,7819,7820],{"class":3414,"line":3846},[3412,7821,7822],{"class":3432},"        # → v1.__radd__(0) → тут ми обробляємо int(0)\n",[3412,7824,7825,7827,7830,7832],{"class":3414,"line":3851},[3412,7826,5107],{"class":3978},[3412,7828,7829],{"class":3418}," other == ",[3412,7831,6078],{"class":3422},[3412,7833,3973],{"class":3418},[3412,7835,7836,7838,7840],{"class":3414,"line":3856},[3412,7837,5120],{"class":3978},[3412,7839,4910],{"class":3965},[3412,7841,7842],{"class":3432},"  # нейтральний елемент для sum()\n",[3412,7844,7845,7847],{"class":3414,"line":3862},[3412,7846,4103],{"class":3978},[3412,7848,5857],{"class":3965},[3412,7850,7851],{"class":3414,"line":3868},[3412,7852,4431],{"class":3418},[3412,7854,7855],{"class":3414,"line":3874},[3412,7856,7857],{"class":3432},"    # --- In-place += ---\n",[3412,7859,7860,7862,7865,7867,7869,7871,7873],{"class":3414,"line":3880},[3412,7861,4086],{"class":3965},[3412,7863,7864],{"class":4005}," __iadd__",[3412,7866,4034],{"class":3418},[3412,7868,4095],{"class":4094},[3412,7870,3501],{"class":3418},[3412,7872,5770],{"class":4094},[3412,7874,7737],{"class":3418},[3412,7876,7877,7879,7881,7883],{"class":3414,"line":3886},[3412,7878,5107],{"class":3978},[3412,7880,5789],{"class":3965},[3412,7882,5792],{"class":4005},[3412,7884,7748],{"class":3418},[3412,7886,7887,7889],{"class":3414,"line":3892},[3412,7888,5120],{"class":3978},[3412,7890,5857],{"class":3965},[3412,7892,7893],{"class":3414,"line":3898},[3412,7894,7895],{"class":3432},"        # Мутуємо self, повертаємо self — не створюємо новий об'єкт\n",[3412,7897,7898,7900],{"class":3414,"line":3903},[3412,7899,4483],{"class":3965},[3412,7901,7902],{"class":3418},".x += other.x\n",[3412,7904,7905,7907],{"class":3414,"line":3909},[3412,7906,4483],{"class":3965},[3412,7908,7909],{"class":3418},".y += other.y\n",[3412,7911,7912,7914],{"class":3414,"line":3915},[3412,7913,4103],{"class":3978},[3412,7915,7916],{"class":3965}," self\n",[3412,7918,7919],{"class":3414,"line":3921},[3412,7920,4431],{"class":3418},[3412,7922,7923],{"class":3414,"line":3927},[3412,7924,7925],{"class":3432},"    # --- Субтракція ---\n",[3412,7927,7928,7930,7933,7935,7937,7939,7941],{"class":3414,"line":3933},[3412,7929,4086],{"class":3965},[3412,7931,7932],{"class":4005}," __sub__",[3412,7934,4034],{"class":3418},[3412,7936,4095],{"class":4094},[3412,7938,3501],{"class":3418},[3412,7940,5770],{"class":4094},[3412,7942,7737],{"class":3418},[3412,7944,7945,7947,7949,7951],{"class":3414,"line":6004},[3412,7946,5107],{"class":3978},[3412,7948,5789],{"class":3965},[3412,7950,5792],{"class":4005},[3412,7952,7748],{"class":3418},[3412,7954,7955,7957],{"class":3414,"line":6015},[3412,7956,5120],{"class":3978},[3412,7958,5857],{"class":3965},[3412,7960,7961,7963,7965,7967,7970,7972],{"class":3414,"line":6022},[3412,7962,4103],{"class":3978},[3412,7964,7761],{"class":3418},[3412,7966,4095],{"class":3965},[3412,7968,7969],{"class":3418},".x - other.x, ",[3412,7971,4095],{"class":3965},[3412,7973,7974],{"class":3418},".y - other.y)\n",[3412,7976,7977],{"class":3414,"line":6032},[3412,7978,4431],{"class":3418},[3412,7980,7981],{"class":3414,"line":6037},[3412,7982,7983],{"class":3432},"    # --- Множення: вектор * скаляр ---\n",[3412,7985,7986,7988,7991,7993,7995,7997,8000,8002,8004],{"class":3414,"line":6042},[3412,7987,4086],{"class":3965},[3412,7989,7990],{"class":4005}," __mul__",[3412,7992,4034],{"class":3418},[3412,7994,4095],{"class":4094},[3412,7996,3501],{"class":3418},[3412,7998,7999],{"class":4094},"scalar",[3412,8001,4014],{"class":3418},[3412,8003,4865],{"class":3969},[3412,8005,7807],{"class":3418},[3412,8007,8008,8010,8012,8014,8017,8019,8021,8023],{"class":3414,"line":6063},[3412,8009,5107],{"class":3978},[3412,8011,5789],{"class":3965},[3412,8013,5792],{"class":4005},[3412,8015,8016],{"class":3418},"(scalar, (",[3412,8018,5543],{"class":3969},[3412,8020,3501],{"class":3418},[3412,8022,4865],{"class":3969},[3412,8024,8025],{"class":3418},")):\n",[3412,8027,8028,8030],{"class":3414,"line":6083},[3412,8029,5120],{"class":3978},[3412,8031,5857],{"class":3965},[3412,8033,8034,8036,8038,8040,8043,8045],{"class":3414,"line":6101},[3412,8035,4103],{"class":3978},[3412,8037,7761],{"class":3418},[3412,8039,4095],{"class":3965},[3412,8041,8042],{"class":3418},".x * scalar, ",[3412,8044,4095],{"class":3965},[3412,8046,8047],{"class":3418},".y * scalar)\n",[3412,8049,8050],{"class":3414,"line":6106},[3412,8051,4431],{"class":3418},[3412,8053,8054],{"class":3414,"line":6117},[3412,8055,8056],{"class":3432},"    # --- Множення: скаляр * вектор (2.0 * v) ---\n",[3412,8058,8059,8061,8064,8066,8068,8070,8072,8074,8076],{"class":3414,"line":6128},[3412,8060,4086],{"class":3965},[3412,8062,8063],{"class":4005}," __rmul__",[3412,8065,4034],{"class":3418},[3412,8067,4095],{"class":4094},[3412,8069,3501],{"class":3418},[3412,8071,7999],{"class":4094},[3412,8073,4014],{"class":3418},[3412,8075,4865],{"class":3969},[3412,8077,7807],{"class":3418},[3412,8079,8080,8082,8084,8086,8089,8092],{"class":3414,"line":6138},[3412,8081,4103],{"class":3978},[3412,8083,4910],{"class":3965},[3412,8085,3546],{"class":3418},[3412,8087,8088],{"class":4005},"__mul__",[3412,8090,8091],{"class":3418},"(scalar)  ",[3412,8093,8094],{"class":3432},"# комутативна операція\n",[3412,8096,8097],{"class":3414,"line":6148},[3412,8098,4431],{"class":3418},[3412,8100,8101],{"class":3414,"line":6153},[3412,8102,8103],{"class":3432},"    # --- Унарний мінус: -v ---\n",[3412,8105,8106,8108,8111,8113,8115],{"class":3414,"line":6159},[3412,8107,4086],{"class":3965},[3412,8109,8110],{"class":4005}," __neg__",[3412,8112,4034],{"class":3418},[3412,8114,4095],{"class":4094},[3412,8116,7807],{"class":3418},[3412,8118,8119,8121,8124,8126,8129,8131],{"class":3414,"line":6203},[3412,8120,4103],{"class":3978},[3412,8122,8123],{"class":3418}," Vector(-",[3412,8125,4095],{"class":3965},[3412,8127,8128],{"class":3418},".x, -",[3412,8130,4095],{"class":3965},[3412,8132,8133],{"class":3418},".y)\n",[3412,8135,8136],{"class":3414,"line":6216},[3412,8137,4431],{"class":3418},[3412,8139,8141],{"class":3414,"line":8140},62,[3412,8142,8143],{"class":3432},"    # --- Абсолютне значення: довжина вектора ---\n",[3412,8145,8147,8149,8152,8154,8156,8158,8160],{"class":3414,"line":8146},63,[3412,8148,4086],{"class":3965},[3412,8150,8151],{"class":4005}," __abs__",[3412,8153,4034],{"class":3418},[3412,8155,4095],{"class":4094},[3412,8157,4524],{"class":3418},[3412,8159,4865],{"class":3969},[3412,8161,3973],{"class":3418},[3412,8163,8165,8167,8170,8172,8175,8177,8179,8181,8184,8186],{"class":3414,"line":8164},64,[3412,8166,4103],{"class":3978},[3412,8168,8169],{"class":3418}," math.sqrt(",[3412,8171,4095],{"class":3965},[3412,8173,8174],{"class":3418},".x ** ",[3412,8176,6053],{"class":3422},[3412,8178,3426],{"class":3418},[3412,8180,4095],{"class":3965},[3412,8182,8183],{"class":3418},".y ** ",[3412,8185,6053],{"class":3422},[3412,8187,4665],{"class":3418},[3412,8189,8191],{"class":3414,"line":8190},65,[3412,8192,4431],{"class":3418},[3412,8194,8196],{"class":3414,"line":8195},66,[3412,8197,8198],{"class":3432},"    # --- bool: ненульовий вектор ---\n",[3412,8200,8202,8204,8207,8209,8211,8213,8215],{"class":3414,"line":8201},67,[3412,8203,4086],{"class":3965},[3412,8205,8206],{"class":4005}," __bool__",[3412,8208,4034],{"class":3418},[3412,8210,4095],{"class":4094},[3412,8212,4524],{"class":3418},[3412,8214,5780],{"class":3969},[3412,8216,3973],{"class":3418},[3412,8218,8220,8222,8225,8227,8229,8232,8234,8236],{"class":3414,"line":8219},68,[3412,8221,4103],{"class":3978},[3412,8223,8224],{"class":3969}," bool",[3412,8226,4034],{"class":3418},[3412,8228,4095],{"class":3965},[3412,8230,8231],{"class":3418},".x ",[3412,8233,4503],{"class":3978},[3412,8235,4910],{"class":3965},[3412,8237,8133],{"class":3418},[3412,8239,8241],{"class":3414,"line":8240},69,[3412,8242,4431],{"class":3418},[3412,8244,8246,8248,8250,8252,8254,8256,8258,8260,8262,8264,8266],{"class":3414,"line":8245},70,[3412,8247,4086],{"class":3965},[3412,8249,5761],{"class":4005},[3412,8251,4034],{"class":3418},[3412,8253,4095],{"class":4094},[3412,8255,3501],{"class":3418},[3412,8257,5770],{"class":4094},[3412,8259,4014],{"class":3418},[3412,8261,5775],{"class":3969},[3412,8263,4524],{"class":3418},[3412,8265,5780],{"class":3969},[3412,8267,3973],{"class":3418},[3412,8269,8271,8273,8275,8277],{"class":3414,"line":8270},71,[3412,8272,5107],{"class":3978},[3412,8274,5789],{"class":3965},[3412,8276,5792],{"class":4005},[3412,8278,7748],{"class":3418},[3412,8280,8282,8284],{"class":3414,"line":8281},72,[3412,8283,5120],{"class":3978},[3412,8285,5857],{"class":3965},[3412,8287,8289,8291,8293,8295,8297,8299],{"class":3414,"line":8288},73,[3412,8290,4103],{"class":3978},[3412,8292,4910],{"class":3965},[3412,8294,6965],{"class":3418},[3412,8296,6960],{"class":3965},[3412,8298,4910],{"class":3965},[3412,8300,6972],{"class":3418},[3412,8302,8304],{"class":3414,"line":8303},74,[3412,8305,3737],{"emptyLinePlaceholder":3736},[3412,8307,8309],{"class":3414,"line":8308},75,[3412,8310,3737],{"emptyLinePlaceholder":3736},[3412,8312,8314],{"class":3414,"line":8313},76,[3412,8315,8316],{"class":3432},"# Демонстрація\n",[3412,8318,8320,8323,8325,8327,8329],{"class":3414,"line":8319},77,[3412,8321,8322],{"class":3418},"v1 = Vector(",[3412,8324,6048],{"class":3422},[3412,8326,3501],{"class":3418},[3412,8328,6053],{"class":3422},[3412,8330,4665],{"class":3418},[3412,8332,8334,8337,8339,8341,8344],{"class":3414,"line":8333},78,[3412,8335,8336],{"class":3418},"v2 = Vector(",[3412,8338,6058],{"class":3422},[3412,8340,3501],{"class":3418},[3412,8342,8343],{"class":3422},"4",[3412,8345,4665],{"class":3418},[3412,8347,8349],{"class":3414,"line":8348},79,[3412,8350,3737],{"emptyLinePlaceholder":3736},[3412,8352,8354,8356,8359],{"class":3414,"line":8353},80,[3412,8355,4031],{"class":4005},[3412,8357,8358],{"class":3418},"(v1 + v2)          ",[3412,8360,8361],{"class":3432},"# (4, 6)\n",[3412,8363,8365,8367,8370],{"class":3414,"line":8364},81,[3412,8366,4031],{"class":4005},[3412,8368,8369],{"class":3418},"(v2 - v1)          ",[3412,8371,8372],{"class":3432},"# (2, 2)\n",[3412,8374,8376,8378,8381,8384,8387],{"class":3414,"line":8375},82,[3412,8377,4031],{"class":4005},[3412,8379,8380],{"class":3418},"(v1 * ",[3412,8382,8383],{"class":3422},"3.0",[3412,8385,8386],{"class":3418},")         ",[3412,8388,8389],{"class":3432},"# (3.0, 6.0)\n",[3412,8391,8393,8395,8397,8399,8402],{"class":3414,"line":8392},83,[3412,8394,4031],{"class":4005},[3412,8396,4034],{"class":3418},[3412,8398,7287],{"class":3422},[3412,8400,8401],{"class":3418}," * v1)         ",[3412,8403,8404],{"class":3432},"# (2.0, 4.0)  ← __rmul__ у дії\n",[3412,8406,8408,8410,8413],{"class":3414,"line":8407},84,[3412,8409,4031],{"class":4005},[3412,8411,8412],{"class":3418},"(-v1)              ",[3412,8414,8415],{"class":3432},"# (-1, -2)\n",[3412,8417,8419,8421,8423,8426,8429],{"class":3414,"line":8418},85,[3412,8420,4031],{"class":4005},[3412,8422,4034],{"class":3418},[3412,8424,8425],{"class":4005},"abs",[3412,8427,8428],{"class":3418},"(v2))          ",[3412,8430,8431],{"class":3432},"# 5.0 (теорема Піфагора: √(9+16))\n",[3412,8433,8435,8437,8439,8441,8444,8446,8449,8451,8454],{"class":3414,"line":8434},86,[3412,8436,4031],{"class":4005},[3412,8438,4034],{"class":3418},[3412,8440,5780],{"class":3969},[3412,8442,8443],{"class":3418},"(Vector(",[3412,8445,6078],{"class":3422},[3412,8447,8448],{"class":3418},",",[3412,8450,6078],{"class":3422},[3412,8452,8453],{"class":3418},")))  ",[3412,8455,8456],{"class":3432},"# False\n",[3412,8458,8460,8462,8464,8466,8469],{"class":3414,"line":8459},87,[3412,8461,4031],{"class":4005},[3412,8463,4034],{"class":3418},[3412,8465,5780],{"class":3969},[3412,8467,8468],{"class":3418},"(v1))           ",[3412,8470,6114],{"class":3432},[3412,8472,8474],{"class":3414,"line":8473},88,[3412,8475,3737],{"emptyLinePlaceholder":3736},[3412,8477,8479],{"class":3414,"line":8478},89,[3412,8480,8481],{"class":3432},"# Магія __radd__: sum() тепер працює зі списком векторів!\n",[3412,8483,8485,8488,8490,8492,8494,8497,8499,8501,8503,8505,8507,8509,8511],{"class":3414,"line":8484},90,[3412,8486,8487],{"class":3418},"vectors = [Vector(",[3412,8489,6048],{"class":3422},[3412,8491,3501],{"class":3418},[3412,8493,6078],{"class":3422},[3412,8495,8496],{"class":3418},"), Vector(",[3412,8498,6078],{"class":3422},[3412,8500,3501],{"class":3418},[3412,8502,6053],{"class":3422},[3412,8504,8496],{"class":3418},[3412,8506,6058],{"class":3422},[3412,8508,3501],{"class":3418},[3412,8510,6048],{"class":3422},[3412,8512,6200],{"class":3418},[3412,8514,8516,8519,8522,8525],{"class":3414,"line":8515},91,[3412,8517,8518],{"class":3418},"total = ",[3412,8520,8521],{"class":4005},"sum",[3412,8523,8524],{"class":3418},"(vectors)    ",[3412,8526,8527],{"class":3432},"# sum(iterable, start=0): 0 + v1 + v2 + v3\n",[3412,8529,8531,8533,8536],{"class":3414,"line":8530},92,[3412,8532,4031],{"class":4005},[3412,8534,8535],{"class":3418},"(total)            ",[3412,8537,8538],{"class":3432},"# (4, 3)\n",[3412,8540,8542],{"class":3414,"line":8541},93,[3412,8543,3737],{"emptyLinePlaceholder":3736},[3412,8545,8547],{"class":3414,"line":8546},94,[3412,8548,8549],{"class":3432},"# In-place оператор: мутує v1, не створює новий об'єкт\n",[3412,8551,8553,8556,8559],{"class":3414,"line":8552},95,[3412,8554,8555],{"class":3418},"original_id = ",[3412,8557,8558],{"class":4005},"id",[3412,8560,8561],{"class":3418},"(v1)\n",[3412,8563,8565,8568,8570,8572,8574],{"class":3414,"line":8564},96,[3412,8566,8567],{"class":3418},"v1 += Vector(",[3412,8569,6073],{"class":3422},[3412,8571,3501],{"class":3418},[3412,8573,6073],{"class":3422},[3412,8575,4665],{"class":3418},[3412,8577,8579,8581,8584],{"class":3414,"line":8578},97,[3412,8580,4031],{"class":4005},[3412,8582,8583],{"class":3418},"(v1)               ",[3412,8585,8586],{"class":3432},"# (11, 12)\n",[3412,8588,8590,8592,8594,8596,8599],{"class":3414,"line":8589},98,[3412,8591,4031],{"class":4005},[3412,8593,4034],{"class":3418},[3412,8595,8558],{"class":4005},[3412,8597,8598],{"class":3418},"(v1) == original_id)  ",[3412,8600,8601],{"class":3432},"# True — той самий об'єкт!\n",[5312,8603,8605,8613,8621,8629,8637,8649,8657,8665,8673,8680,8688,8696],{"title":8604},"python vector.py",[5316,8606,8608,5324,8611],{"className":8607},[3414],[3412,8609,5323],{"className":8610},[5322],[3494,8612,8604],{},[5316,8614,8616,8617],{"className":8615},[3414],"v1 + v2: ",[3412,8618,8620],{"className":8619},[5350],"(4, 6)",[5316,8622,8624,8625],{"className":8623},[3414],"v2 - v1: ",[3412,8626,8628],{"className":8627},[5350],"(2, 2)",[5316,8630,8632,8633],{"className":8631},[3414],"v1 * 3.0: ",[3412,8634,8636],{"className":8635},[5350],"(3.0, 6.0)",[5316,8638,8640,8641,7422,8645],{"className":8639},[3414],"2.0 * v1: ",[3412,8642,8644],{"className":8643},[5350],"(2.0, 4.0)",[3412,8646,8648],{"className":8647},[7426],"# __rmul__",[5316,8650,8652,8653],{"className":8651},[3414],"-v1: ",[3412,8654,8656],{"className":8655},[5350],"(-1, -2)",[5316,8658,8660,8661],{"className":8659},[3414],"abs(v2): ",[3412,8662,8664],{"className":8663},[6238],"5.0",[5316,8666,8668,8669],{"className":8667},[3414],"bool(Vector(0,0)): ",[3412,8670,6278],{"className":8671},[8672],"text-rose-400",[5316,8674,8676,8677],{"className":8675},[3414],"bool(v1): ",[3412,8678,6239],{"className":8679},[6238],[5316,8681,8683,8684],{"className":8682},[3414],"sum(vectors): ",[3412,8685,8687],{"className":8686},[5350],"(4, 3)",[5316,8689,8691,8692],{"className":8690},[3414],"v1 після +=: ",[3412,8693,8695],{"className":8694},[5350],"(11, 12)",[5316,8697,8699,8700],{"className":8698},[3414],"той самий об'єкт: ",[3412,8701,6239],{"className":8702},[6238],[3635,8704,8706],{"id":8705},"алгоритм-вирішення-бінарного-оператора","Алгоритм вирішення бінарного оператора",[3399,8708,8709,8710,8712,8713,8715],{},"Щоб остаточно зрозуміти, як Python вибирає між ",[3394,8711,7529],{}," та ",[3394,8714,4225],{},", розглянемо повний алгоритм:",[3677,8717,8718],{},[3403,8719,8721],{"className":3681,"code":8720,"language":3683,"meta":3408,"style":3408},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\nskinparam ArrowColor #6366f1\n\nstart\n\n:Python обчислює a + b;\n\nif (type(b) є підкласом type(a)?) then (Так)\n    :Спробувати b.__radd__(a) першим\\n(підкласи мають перевагу);\n    if (результат != NotImplemented?) then (Так)\n        :Повернути результат;\n        stop\n    endif\nendif\n\n:Спробувати a.__add__(b);\n\nif (результат != NotImplemented?) then (Так)\n    :Повернути результат;\n    stop\nelse (NotImplemented)\n    :Спробувати b.__radd__(a);\n    if (результат != NotImplemented?) then (Так)\n        :Повернути результат;\n        stop\n    else (NotImplemented)\n        :Підняти TypeError;\n        stop\n    endif\nendif\n@enduml\n",[3394,8722,8723,8727,8731,8735,8739,8743,8748,8752,8757,8761,8766,8771,8776,8781,8786,8791,8796,8800,8805,8809,8814,8819,8824,8829,8834,8838,8842,8846,8851,8856,8860,8864,8868],{"__ignoreMap":3408},[3412,8724,8725],{"class":3414,"line":3415},[3412,8726,3690],{},[3412,8728,8729],{"class":3414,"line":3436},[3412,8730,3695],{},[3412,8732,8733],{"class":3414,"line":3454},[3412,8734,3700],{},[3412,8736,8737],{"class":3414,"line":3703},[3412,8738,3706],{},[3412,8740,8741],{"class":3414,"line":3709},[3412,8742,3737],{"emptyLinePlaceholder":3736},[3412,8744,8745],{"class":3414,"line":3715},[3412,8746,8747],{},"start\n",[3412,8749,8750],{"class":3414,"line":3721},[3412,8751,3737],{"emptyLinePlaceholder":3736},[3412,8753,8754],{"class":3414,"line":3727},[3412,8755,8756],{},":Python обчислює a + b;\n",[3412,8758,8759],{"class":3414,"line":3733},[3412,8760,3737],{"emptyLinePlaceholder":3736},[3412,8762,8763],{"class":3414,"line":3740},[3412,8764,8765],{},"if (type(b) є підкласом type(a)?) then (Так)\n",[3412,8767,8768],{"class":3414,"line":3746},[3412,8769,8770],{},"    :Спробувати b.__radd__(a) першим\\n(підкласи мають перевагу);\n",[3412,8772,8773],{"class":3414,"line":3752},[3412,8774,8775],{},"    if (результат != NotImplemented?) then (Так)\n",[3412,8777,8778],{"class":3414,"line":3758},[3412,8779,8780],{},"        :Повернути результат;\n",[3412,8782,8783],{"class":3414,"line":3764},[3412,8784,8785],{},"        stop\n",[3412,8787,8788],{"class":3414,"line":3770},[3412,8789,8790],{},"    endif\n",[3412,8792,8793],{"class":3414,"line":3776},[3412,8794,8795],{},"endif\n",[3412,8797,8798],{"class":3414,"line":3782},[3412,8799,3737],{"emptyLinePlaceholder":3736},[3412,8801,8802],{"class":3414,"line":3788},[3412,8803,8804],{},":Спробувати a.__add__(b);\n",[3412,8806,8807],{"class":3414,"line":3793},[3412,8808,3737],{"emptyLinePlaceholder":3736},[3412,8810,8811],{"class":3414,"line":3798},[3412,8812,8813],{},"if (результат != NotImplemented?) then (Так)\n",[3412,8815,8816],{"class":3414,"line":3804},[3412,8817,8818],{},"    :Повернути результат;\n",[3412,8820,8821],{"class":3414,"line":3810},[3412,8822,8823],{},"    stop\n",[3412,8825,8826],{"class":3414,"line":3816},[3412,8827,8828],{},"else (NotImplemented)\n",[3412,8830,8831],{"class":3414,"line":3822},[3412,8832,8833],{},"    :Спробувати b.__radd__(a);\n",[3412,8835,8836],{"class":3414,"line":3828},[3412,8837,8775],{},[3412,8839,8840],{"class":3414,"line":3834},[3412,8841,8780],{},[3412,8843,8844],{"class":3414,"line":3840},[3412,8845,8785],{},[3412,8847,8848],{"class":3414,"line":3846},[3412,8849,8850],{},"    else (NotImplemented)\n",[3412,8852,8853],{"class":3414,"line":3851},[3412,8854,8855],{},"        :Підняти TypeError;\n",[3412,8857,8858],{"class":3414,"line":3856},[3412,8859,8785],{},[3412,8861,8862],{"class":3414,"line":3862},[3412,8863,8790],{},[3412,8865,8866],{"class":3414,"line":3868},[3412,8867,8795],{},[3412,8869,8870],{"class":3414,"line":3874},[3412,8871,3936],{},[3399,8873,8874,8875,8878,8879,4153,8882,8884,8885,8888],{},"Ця поведінка пояснює, чому ",[3394,8876,8877],{},"5 + Vector(1, 2)"," працює: ",[3394,8880,8881],{},"int.__add__(Vector)",[3394,8883,6274],{},", тоді Python пробує ",[3394,8886,8887],{},"Vector.__radd__(5)"," → успіх (якщо реалізовано).",[3635,8890,8892,8893],{"id":8891},"протокол-матричного-множення-__matmul__","Протокол матричного множення: ",[3394,8894,8895],{},"__matmul__",[3399,8897,8898,8899,8902,8903,8906,8907,8910],{},"Python 3.5 (PEP 465) додав спеціальний оператор ",[3394,8900,8901],{},"@"," для матричного множення, щоб бібліотеки на кшталт NumPy могли писати ",[3394,8904,8905],{},"A @ B"," замість ",[3394,8908,8909],{},"np.dot(A, B)",". Він слідує тій самій схемі:",[3403,8912,8914],{"className":3405,"code":8913,"language":3407,"meta":3408,"style":3408},"class Matrix:\n    \"\"\"Спрощена матриця 2x2 для демонстрації @ оператора.\"\"\"\n    \n    def __init__(self, data: list[list[float]]):\n        self.data = data\n    \n    def __repr__(self) -> str:\n        return f\"Matrix({self.data})\"\n    \n    def __matmul__(self, other: Matrix) -> Matrix:\n        \"\"\"Матричне множення через оператор @.\"\"\"\n        if not isinstance(other, Matrix):\n            return NotImplemented\n        a, b = self.data, other.data\n        return Matrix([\n            [a[0][0]*b[0][0] + a[0][1]*b[1][0],  a[0][0]*b[0][1] + a[0][1]*b[1][1]],\n            [a[1][0]*b[0][0] + a[1][1]*b[1][0],  a[1][0]*b[0][1] + a[1][1]*b[1][1]],\n        ])\n\n\nA = Matrix([[1, 2], [3, 4]])\nB = Matrix([[5, 6], [7, 8]])\nC = A @ B   # __matmul__ у дії\nprint(C)    # Matrix([[19, 22], [43, 50]])\n",[3394,8915,8916,8925,8930,8934,8957,8964,8968,8984,9002,9006,9024,9029,9040,9046,9056,9063,9137,9205,9210,9214,9218,9241,9264,9272],{"__ignoreMap":3408},[3412,8917,8918,8920,8923],{"class":3414,"line":3415},[3412,8919,3966],{"class":3965},[3412,8921,8922],{"class":3969}," Matrix",[3412,8924,3973],{"class":3418},[3412,8926,8927],{"class":3414,"line":3436},[3412,8928,8929],{"class":3442},"    \"\"\"Спрощена матриця 2x2 для демонстрації @ оператора.\"\"\"\n",[3412,8931,8932],{"class":3414,"line":3454},[3412,8933,4431],{"class":3418},[3412,8935,8936,8938,8940,8942,8944,8946,8949,8952,8954],{"class":3414,"line":3703},[3412,8937,4086],{"class":3965},[3412,8939,4438],{"class":4005},[3412,8941,4034],{"class":3418},[3412,8943,4095],{"class":4094},[3412,8945,3501],{"class":3418},[3412,8947,8948],{"class":4094},"data",[3412,8950,8951],{"class":3418},": list[list[",[3412,8953,4865],{"class":3969},[3412,8955,8956],{"class":3418},"]]):\n",[3412,8958,8959,8961],{"class":3414,"line":3709},[3412,8960,4483],{"class":3965},[3412,8962,8963],{"class":3418},".data = data\n",[3412,8965,8966],{"class":3414,"line":3715},[3412,8967,4431],{"class":3418},[3412,8969,8970,8972,8974,8976,8978,8980,8982],{"class":3414,"line":3721},[3412,8971,4086],{"class":3965},[3412,8973,4517],{"class":4005},[3412,8975,4034],{"class":3418},[3412,8977,4095],{"class":4094},[3412,8979,4524],{"class":3418},[3412,8981,4452],{"class":3969},[3412,8983,3973],{"class":3418},[3412,8985,8986,8988,8990,8993,8995,8998,9000],{"class":3414,"line":3727},[3412,8987,4103],{"class":3978},[3412,8989,4672],{"class":3965},[3412,8991,8992],{"class":3442},"\"Matrix(",[3412,8994,4563],{"class":3965},[3412,8996,8997],{"class":3418},".data",[3412,8999,4684],{"class":3965},[3412,9001,5004],{"class":3442},[3412,9003,9004],{"class":3414,"line":3733},[3412,9005,4431],{"class":3418},[3412,9007,9008,9010,9013,9015,9017,9019,9021],{"class":3414,"line":3740},[3412,9009,4086],{"class":3965},[3412,9011,9012],{"class":4005}," __matmul__",[3412,9014,4034],{"class":3418},[3412,9016,4095],{"class":4094},[3412,9018,3501],{"class":3418},[3412,9020,5770],{"class":4094},[3412,9022,9023],{"class":3418},": Matrix) -> Matrix:\n",[3412,9025,9026],{"class":3414,"line":3746},[3412,9027,9028],{"class":3442},"        \"\"\"Матричне множення через оператор @.\"\"\"\n",[3412,9030,9031,9033,9035,9037],{"class":3414,"line":3752},[3412,9032,5107],{"class":3978},[3412,9034,5789],{"class":3965},[3412,9036,5792],{"class":4005},[3412,9038,9039],{"class":3418},"(other, Matrix):\n",[3412,9041,9042,9044],{"class":3414,"line":3758},[3412,9043,5120],{"class":3978},[3412,9045,5857],{"class":3965},[3412,9047,9048,9051,9053],{"class":3414,"line":3764},[3412,9049,9050],{"class":3418},"        a, b = ",[3412,9052,4095],{"class":3965},[3412,9054,9055],{"class":3418},".data, other.data\n",[3412,9057,9058,9060],{"class":3414,"line":3770},[3412,9059,4103],{"class":3978},[3412,9061,9062],{"class":3418}," Matrix([\n",[3412,9064,9065,9068,9070,9073,9075,9078,9080,9082,9084,9087,9089,9091,9093,9095,9097,9099,9101,9104,9106,9108,9110,9112,9114,9116,9118,9120,9122,9124,9126,9128,9130,9132,9134],{"class":3414,"line":3776},[3412,9066,9067],{"class":3418},"            [a[",[3412,9069,6078],{"class":3422},[3412,9071,9072],{"class":3418},"][",[3412,9074,6078],{"class":3422},[3412,9076,9077],{"class":3418},"]*b[",[3412,9079,6078],{"class":3422},[3412,9081,9072],{"class":3418},[3412,9083,6078],{"class":3422},[3412,9085,9086],{"class":3418},"] + a[",[3412,9088,6078],{"class":3422},[3412,9090,9072],{"class":3418},[3412,9092,6048],{"class":3422},[3412,9094,9077],{"class":3418},[3412,9096,6048],{"class":3422},[3412,9098,9072],{"class":3418},[3412,9100,6078],{"class":3422},[3412,9102,9103],{"class":3418},"],  a[",[3412,9105,6078],{"class":3422},[3412,9107,9072],{"class":3418},[3412,9109,6078],{"class":3422},[3412,9111,9077],{"class":3418},[3412,9113,6078],{"class":3422},[3412,9115,9072],{"class":3418},[3412,9117,6048],{"class":3422},[3412,9119,9086],{"class":3418},[3412,9121,6078],{"class":3422},[3412,9123,9072],{"class":3418},[3412,9125,6048],{"class":3422},[3412,9127,9077],{"class":3418},[3412,9129,6048],{"class":3422},[3412,9131,9072],{"class":3418},[3412,9133,6048],{"class":3422},[3412,9135,9136],{"class":3418},"]],\n",[3412,9138,9139,9141,9143,9145,9147,9149,9151,9153,9155,9157,9159,9161,9163,9165,9167,9169,9171,9173,9175,9177,9179,9181,9183,9185,9187,9189,9191,9193,9195,9197,9199,9201,9203],{"class":3414,"line":3782},[3412,9140,9067],{"class":3418},[3412,9142,6048],{"class":3422},[3412,9144,9072],{"class":3418},[3412,9146,6078],{"class":3422},[3412,9148,9077],{"class":3418},[3412,9150,6078],{"class":3422},[3412,9152,9072],{"class":3418},[3412,9154,6078],{"class":3422},[3412,9156,9086],{"class":3418},[3412,9158,6048],{"class":3422},[3412,9160,9072],{"class":3418},[3412,9162,6048],{"class":3422},[3412,9164,9077],{"class":3418},[3412,9166,6048],{"class":3422},[3412,9168,9072],{"class":3418},[3412,9170,6078],{"class":3422},[3412,9172,9103],{"class":3418},[3412,9174,6048],{"class":3422},[3412,9176,9072],{"class":3418},[3412,9178,6078],{"class":3422},[3412,9180,9077],{"class":3418},[3412,9182,6078],{"class":3422},[3412,9184,9072],{"class":3418},[3412,9186,6048],{"class":3422},[3412,9188,9086],{"class":3418},[3412,9190,6048],{"class":3422},[3412,9192,9072],{"class":3418},[3412,9194,6048],{"class":3422},[3412,9196,9077],{"class":3418},[3412,9198,6048],{"class":3422},[3412,9200,9072],{"class":3418},[3412,9202,6048],{"class":3422},[3412,9204,9136],{"class":3418},[3412,9206,9207],{"class":3414,"line":3788},[3412,9208,9209],{"class":3418},"        ])\n",[3412,9211,9212],{"class":3414,"line":3793},[3412,9213,3737],{"emptyLinePlaceholder":3736},[3412,9215,9216],{"class":3414,"line":3798},[3412,9217,3737],{"emptyLinePlaceholder":3736},[3412,9219,9220,9223,9225,9227,9229,9232,9234,9236,9238],{"class":3414,"line":3804},[3412,9221,9222],{"class":3418},"A = Matrix([[",[3412,9224,6048],{"class":3422},[3412,9226,3501],{"class":3418},[3412,9228,6053],{"class":3422},[3412,9230,9231],{"class":3418},"], [",[3412,9233,6058],{"class":3422},[3412,9235,3501],{"class":3418},[3412,9237,8343],{"class":3422},[3412,9239,9240],{"class":3418},"]])\n",[3412,9242,9243,9246,9248,9250,9253,9255,9258,9260,9262],{"class":3414,"line":3810},[3412,9244,9245],{"class":3418},"B = Matrix([[",[3412,9247,4921],{"class":3422},[3412,9249,3501],{"class":3418},[3412,9251,9252],{"class":3422},"6",[3412,9254,9231],{"class":3418},[3412,9256,9257],{"class":3422},"7",[3412,9259,3501],{"class":3418},[3412,9261,3429],{"class":3422},[3412,9263,9240],{"class":3418},[3412,9265,9266,9269],{"class":3414,"line":3816},[3412,9267,9268],{"class":3418},"C = A @ B   ",[3412,9270,9271],{"class":3432},"# __matmul__ у дії\n",[3412,9273,9274,9276,9279],{"class":3414,"line":3822},[3412,9275,4031],{"class":4005},[3412,9277,9278],{"class":3418},"(C)    ",[3412,9280,9281],{"class":3432},"# Matrix([[19, 22], [43, 50]])\n",[3628,9283],{},[3389,9285,9287],{"id":9286},"частина-v-контейнерний-протокол","Частина V: Контейнерний протокол",[3635,9289,9291],{"id":9290},"емуляція-колекцій-повний-набір-методів","Емуляція колекцій: повний набір методів",[3399,9293,9294],{},"Контейнерний протокол дозволяє вашому класу поводитись як вбудована колекція — список, словник або множина. Ключові методи:",[4143,9296,9297,9316,9340,9348,9355,9370,9390,9399],{},[4146,9298,9301,9302,9304,9305,4381,9307,9310,9311,4153,9314,3546],{"name":9299,"type":9300},"__len__(self) -> int","Довжина","Викликається ",[3394,9303,3532],{},". Повинен повертати невід'ємне ціле число. Також неявно використовується у ",[3394,9306,4254],{},[3394,9308,9309],{},"__bool__"," не визначено: ",[3394,9312,9313],{},"len == 0",[3394,9315,6278],{},[4146,9317,9301,9320,9323,9324,9327,9328,9331,9332,9335,9336,9339],{"name":9318,"type":9319},"__getitem__(self, key)","Читання елемента",[3394,9321,9322],{},"obj[key]",". Для послідовностей ",[3394,9325,9326],{},"key"," — цілочисельний індекс або ",[3394,9329,9330],{},"slice",". Для відображень — довільний hashable ключ. При виході за межі повинен підіймати ",[3394,9333,9334],{},"IndexError"," (послідовності) або ",[3394,9337,9338],{},"KeyError"," (відображення).",[4146,9341,9301,9344,9347],{"name":9342,"type":9343},"__setitem__(self, key, value)","Запис елемента",[3394,9345,9346],{},"obj[key] = value",". Робить колекцію мутабельною.",[4146,9349,9301,9352,3546],{"name":9350,"type":9351},"__delitem__(self, key)","Видалення елемента",[3394,9353,9354],{},"del obj[key]",[4146,9356,9359,9360,4014,9363,9366,9367,9369],{"name":9357,"type":9358},"__contains__(self, item) -> bool","Перевірка належності","Викликається оператором ",[3394,9361,9362],{},"in",[3394,9364,9365],{},"item in obj",". Якщо не визначено — Python ітерує по всьому об'єкту через ",[3394,9368,3659],{}," (O(n)), тому для словників та множин важливо визначати явно (O(1)).",[4146,9371,9301,9374,3501,9376,3501,9379,9382,9383,9386,9387,3546],{"name":9372,"type":9373},"__iter__(self)","Ітерація",[3394,9375,3504],{},[3394,9377,9378],{},"list(obj)",[3394,9380,9381],{},"*unpacking",". Повинен повертати ",[3494,9384,9385],{},"ітератор"," — об'єкт з методом ",[3394,9388,9389],{},"__next__",[4146,9391,9394,9395,9398],{"name":9392,"type":9393},"__next__(self)","Наступний елемент ітератора","Повертає наступний елемент або підіймає ",[3394,9396,9397],{},"StopIteration"," коли елементи вичерпано.",[4146,9400,9301,9403,9406,9407,8712,9409,9411],{"name":9401,"type":9402},"__reversed__(self)","Зворотня ітерація",[3394,9404,9405],{},"reversed(obj)",". Якщо не визначено — Python намагається використати ",[3394,9408,3667],{},[3394,9410,3671],{}," для зворотньої ітерації.",[3635,9413,9415],{"id":9414},"практика-власна-кільцева-черга","Практика: власна кільцева черга",[3399,9417,9418,9419,9422],{},"Побудуємо ",[3394,9420,9421],{},"RingBuffer"," — кільцеву буферну структуру даних фіксованого розміру. Коли буфер повний, нові елементи перезаписують найстаріші. Це класична структура для обробки потоків даних у реальному часі.",[3403,9424,9426],{"className":3405,"code":9425,"language":3407,"meta":3408,"style":3408},"from __future__ import annotations\nfrom typing import Iterator, TypeVar, Generic\n\nT = TypeVar('T')\n\n\nclass RingBuffer(Generic[T]):\n    \"\"\"\n    Кільцева черга фіксованого розміру.\n    \n    При переповненні найстаріші елементи автоматично\n    витісняються новими — без виключень, без збоїв.\n    Ефективне використання пам'яті: фіксований розмір назавжди.\n    \"\"\"\n    \n    def __init__(self, capacity: int):\n        if capacity \u003C= 0:\n            raise ValueError(\"Ємність буфера повинна бути > 0\")\n        self._capacity = capacity\n        self._buffer: list[T | None] = [None] * capacity\n        self._head = 0   # індекс для читання (найстаріший елемент)\n        self._tail = 0   # індекс для запису (наступна вільна позиція)\n        self._size = 0   # кількість актуальних елементів\n    \n    # --- Протокол представлення ---\n    \n    def __repr__(self) -> str:\n        items = list(self)  # використовує __iter__\n        return f\"RingBuffer(capacity={self._capacity}, items={items})\"\n    \n    def __str__(self) -> str:\n        items = list(self)\n        return f\"RingBuffer[{', '.join(str(x) for x in items)}]\"\n    \n    # --- Контейнерний протокол ---\n    \n    def __len__(self) -> int:\n        \"\"\"Кількість актуальних елементів у буфері.\"\"\"\n        return self._size\n    \n    def __bool__(self) -> bool:\n        \"\"\"True якщо буфер не порожній.\"\"\"\n        return self._size > 0\n    \n    def __contains__(self, item: object) -> bool:\n        \"\"\"Перевірка наявності елемента: O(n).\"\"\"\n        for element in self:\n            if element == item:\n                return True\n        return False\n    \n    def __getitem__(self, index: int) -> T:\n        \"\"\"\n        Читання за індексом від голови (0 = найстаріший).\n        Підтримує від'ємні індекси: -1 = найновіший.\n        \"\"\"\n        if not (-self._size \u003C= index \u003C self._size):\n            raise IndexError(\n                f\"Індекс {index} виходить за межі буфера розміром {self._size}\"\n            )\n        if index \u003C 0:\n            index += self._size\n        real_index = (self._head + index) % self._capacity\n        return self._buffer[real_index]  # type: ignore[return-value]\n    \n    def __iter__(self) -> Iterator[T]:\n        \"\"\"Ітерація від найстарішого до найновішого елемента.\"\"\"\n        for i in range(self._size):\n            yield self._buffer[(self._head + i) % self._capacity]  # type: ignore[misc]\n    \n    def __reversed__(self) -> Iterator[T]:\n        \"\"\"Зворотня ітерація: від найновішого до найстарішого.\"\"\"\n        for i in range(self._size - 1, -1, -1):\n            yield self._buffer[(self._head + i) % self._capacity]  # type: ignore[misc]\n    \n    # --- Мутуючі операції ---\n    \n    def append(self, item: T) -> None:\n        \"\"\"\n        Додає елемент у кінець буфера.\n        Якщо буфер повний — витісняє найстаріший елемент.\n        \"\"\"\n        self._buffer[self._tail] = item\n        self._tail = (self._tail + 1) % self._capacity\n        \n        if self._size \u003C self._capacity:\n            self._size += 1\n        else:\n            # Буфер повний: голова теж рухається вперед (витіснення)\n            self._head = (self._head + 1) % self._capacity\n    \n    def popleft(self) -> T:\n        \"\"\"Вилучає та повертає найстаріший елемент.\"\"\"\n        if self._size == 0:\n            raise IndexError(\"popleft() з порожнього буфера\")\n        item = self._buffer[self._head]\n        self._buffer[self._head] = None  # звільняємо посилання (GC)\n        self._head = (self._head + 1) % self._capacity\n        self._size -= 1\n        return item  # type: ignore[return-value]\n\n\n# --- Демонстрація ---\n\nbuf: RingBuffer[int] = RingBuffer(capacity=4)\n\n# Наповнюємо буфер\nfor i in range(1, 5):\n    buf.append(i)\n\nprint(buf)          # RingBuffer[1, 2, 3, 4]\nprint(len(buf))     # 4\nprint(buf[0])       # 1  (найстаріший)\nprint(buf[-1])      # 4  (найновіший)\nprint(3 in buf)     # True\n\n# Витіснення: додаємо при повному буфері\nbuf.append(5)       # витісняє 1\nbuf.append(6)       # витісняє 2\nprint(buf)          # RingBuffer[3, 4, 5, 6]\n\n# Зворотня ітерація\nprint(list(reversed(buf)))  # [6, 5, 4, 3]\n\n# for-цикл через __iter__\nprint([x * 2 for x in buf])  # [6, 8, 10, 12]\n\n# popleft\noldest = buf.popleft()\nprint(f\"Вилучено: {oldest}, залишок: {buf}\")\n# Вилучено: 3, залишок: RingBuffer[4, 5, 6]\n",[3394,9427,9428,9438,9450,9454,9464,9468,9472,9482,9487,9492,9496,9501,9506,9511,9515,9519,9540,9551,9564,9571,9588,9600,9612,9624,9628,9633,9637,9653,9669,9697,9701,9717,9729,9767,9771,9776,9780,9796,9801,9810,9814,9830,9835,9847,9851,9877,9882,9896,9904,9912,9919,9923,9946,9950,9955,9960,9964,9983,9993,10019,10024,10035,10044,10059,10071,10075,10089,10094,10112,10135,10139,10152,10157,10187,10205,10209,10214,10218,10240,10244,10249,10254,10258,10270,10291,10296,10310,10321,10327,10332,10352,10356,10369,10374,10387,10400,10414,10430,10448,10458,10468,10473,10478,10484,10489,10509,10514,10520,10541,10547,10552,10563,10578,10594,10610,10626,10631,10637,10651,10663,10673,10678,10684,10704,10709,10715,10738,10743,10749,10755,10788],{"__ignoreMap":3408},[3412,9429,9430,9432,9434,9436],{"class":3414,"line":3415},[3412,9431,4399],{"class":3978},[3412,9433,5495],{"class":4094},[3412,9435,5498],{"class":3978},[3412,9437,5501],{"class":3418},[3412,9439,9440,9442,9445,9447],{"class":3414,"line":3436},[3412,9441,4399],{"class":3978},[3412,9443,9444],{"class":3418}," typing ",[3412,9446,4405],{"class":3978},[3412,9448,9449],{"class":3418}," Iterator, TypeVar, Generic\n",[3412,9451,9452],{"class":3414,"line":3454},[3412,9453,3737],{"emptyLinePlaceholder":3736},[3412,9455,9456,9459,9462],{"class":3414,"line":3703},[3412,9457,9458],{"class":3418},"T = TypeVar(",[3412,9460,9461],{"class":3442},"'T'",[3412,9463,4665],{"class":3418},[3412,9465,9466],{"class":3414,"line":3709},[3412,9467,3737],{"emptyLinePlaceholder":3736},[3412,9469,9470],{"class":3414,"line":3715},[3412,9471,3737],{"emptyLinePlaceholder":3736},[3412,9473,9474,9476,9479],{"class":3414,"line":3721},[3412,9475,3966],{"class":3965},[3412,9477,9478],{"class":3969}," RingBuffer",[3412,9480,9481],{"class":3418},"(Generic[T]):\n",[3412,9483,9484],{"class":3414,"line":3727},[3412,9485,9486],{"class":3442},"    \"\"\"\n",[3412,9488,9489],{"class":3414,"line":3733},[3412,9490,9491],{"class":3442},"    Кільцева черга фіксованого розміру.\n",[3412,9493,9494],{"class":3414,"line":3740},[3412,9495,4431],{"class":3442},[3412,9497,9498],{"class":3414,"line":3746},[3412,9499,9500],{"class":3442},"    При переповненні найстаріші елементи автоматично\n",[3412,9502,9503],{"class":3414,"line":3752},[3412,9504,9505],{"class":3442},"    витісняються новими — без виключень, без збоїв.\n",[3412,9507,9508],{"class":3414,"line":3758},[3412,9509,9510],{"class":3442},"    Ефективне використання пам'яті: фіксований розмір назавжди.\n",[3412,9512,9513],{"class":3414,"line":3764},[3412,9514,9486],{"class":3442},[3412,9516,9517],{"class":3414,"line":3770},[3412,9518,4431],{"class":3418},[3412,9520,9521,9523,9525,9527,9529,9531,9534,9536,9538],{"class":3414,"line":3776},[3412,9522,4086],{"class":3965},[3412,9524,4438],{"class":4005},[3412,9526,4034],{"class":3418},[3412,9528,4095],{"class":4094},[3412,9530,3501],{"class":3418},[3412,9532,9533],{"class":4094},"capacity",[3412,9535,4014],{"class":3418},[3412,9537,5543],{"class":3969},[3412,9539,4098],{"class":3418},[3412,9541,9542,9544,9547,9549],{"class":3414,"line":3782},[3412,9543,5107],{"class":3978},[3412,9545,9546],{"class":3418}," capacity \u003C= ",[3412,9548,6078],{"class":3422},[3412,9550,3973],{"class":3418},[3412,9552,9553,9555,9557,9559,9562],{"class":3414,"line":3788},[3412,9554,6556],{"class":3978},[3412,9556,6559],{"class":3969},[3412,9558,4034],{"class":3418},[3412,9560,9561],{"class":3442},"\"Ємність буфера повинна бути > 0\"",[3412,9563,4665],{"class":3418},[3412,9565,9566,9568],{"class":3414,"line":3793},[3412,9567,4483],{"class":3965},[3412,9569,9570],{"class":3418},"._capacity = capacity\n",[3412,9572,9573,9575,9578,9580,9583,9585],{"class":3414,"line":3798},[3412,9574,4483],{"class":3965},[3412,9576,9577],{"class":3418},"._buffer: list[T | ",[3412,9579,4472],{"class":3965},[3412,9581,9582],{"class":3418},"] = [",[3412,9584,4472],{"class":3965},[3412,9586,9587],{"class":3418},"] * capacity\n",[3412,9589,9590,9592,9595,9597],{"class":3414,"line":3804},[3412,9591,4483],{"class":3965},[3412,9593,9594],{"class":3418},"._head = ",[3412,9596,6078],{"class":3422},[3412,9598,9599],{"class":3432},"   # індекс для читання (найстаріший елемент)\n",[3412,9601,9602,9604,9607,9609],{"class":3414,"line":3810},[3412,9603,4483],{"class":3965},[3412,9605,9606],{"class":3418},"._tail = ",[3412,9608,6078],{"class":3422},[3412,9610,9611],{"class":3432},"   # індекс для запису (наступна вільна позиція)\n",[3412,9613,9614,9616,9619,9621],{"class":3414,"line":3816},[3412,9615,4483],{"class":3965},[3412,9617,9618],{"class":3418},"._size = ",[3412,9620,6078],{"class":3422},[3412,9622,9623],{"class":3432},"   # кількість актуальних елементів\n",[3412,9625,9626],{"class":3414,"line":3822},[3412,9627,4431],{"class":3418},[3412,9629,9630],{"class":3414,"line":3828},[3412,9631,9632],{"class":3432},"    # --- Протокол представлення ---\n",[3412,9634,9635],{"class":3414,"line":3834},[3412,9636,4431],{"class":3418},[3412,9638,9639,9641,9643,9645,9647,9649,9651],{"class":3414,"line":3840},[3412,9640,4086],{"class":3965},[3412,9642,4517],{"class":4005},[3412,9644,4034],{"class":3418},[3412,9646,4095],{"class":4094},[3412,9648,4524],{"class":3418},[3412,9650,4452],{"class":3969},[3412,9652,3973],{"class":3418},[3412,9654,9655,9658,9660,9662,9664,9666],{"class":3414,"line":3846},[3412,9656,9657],{"class":3418},"        items = ",[3412,9659,7462],{"class":3969},[3412,9661,4034],{"class":3418},[3412,9663,4095],{"class":3965},[3412,9665,5186],{"class":3418},[3412,9667,9668],{"class":3432},"# використовує __iter__\n",[3412,9670,9671,9673,9675,9678,9680,9683,9685,9688,9690,9693,9695],{"class":3414,"line":3851},[3412,9672,4103],{"class":3978},[3412,9674,4672],{"class":3965},[3412,9676,9677],{"class":3442},"\"RingBuffer(capacity=",[3412,9679,4563],{"class":3965},[3412,9681,9682],{"class":3418},"._capacity",[3412,9684,4684],{"class":3965},[3412,9686,9687],{"class":3442},", items=",[3412,9689,4678],{"class":3965},[3412,9691,9692],{"class":3418},"items",[3412,9694,4684],{"class":3965},[3412,9696,5004],{"class":3442},[3412,9698,9699],{"class":3414,"line":3856},[3412,9700,4431],{"class":3418},[3412,9702,9703,9705,9707,9709,9711,9713,9715],{"class":3414,"line":3862},[3412,9704,4086],{"class":3965},[3412,9706,4628],{"class":4005},[3412,9708,4034],{"class":3418},[3412,9710,4095],{"class":4094},[3412,9712,4524],{"class":3418},[3412,9714,4452],{"class":3969},[3412,9716,3973],{"class":3418},[3412,9718,9719,9721,9723,9725,9727],{"class":3414,"line":3868},[3412,9720,9657],{"class":3418},[3412,9722,7462],{"class":3969},[3412,9724,4034],{"class":3418},[3412,9726,4095],{"class":3965},[3412,9728,4665],{"class":3418},[3412,9730,9731,9733,9735,9738,9740,9743,9746,9748,9751,9754,9757,9759,9762,9764],{"class":3414,"line":3874},[3412,9732,4103],{"class":3978},[3412,9734,4672],{"class":3965},[3412,9736,9737],{"class":3442},"\"RingBuffer[",[3412,9739,4678],{"class":3965},[3412,9741,9742],{"class":3442},"', '",[3412,9744,9745],{"class":3418},".join(",[3412,9747,4452],{"class":3969},[3412,9749,9750],{"class":3418},"(x) ",[3412,9752,9753],{"class":3978},"for",[3412,9755,9756],{"class":3418}," x ",[3412,9758,9362],{"class":3978},[3412,9760,9761],{"class":3418}," items)",[3412,9763,4684],{"class":3965},[3412,9765,9766],{"class":3442},"]\"\n",[3412,9768,9769],{"class":3414,"line":3880},[3412,9770,4431],{"class":3418},[3412,9772,9773],{"class":3414,"line":3886},[3412,9774,9775],{"class":3432},"    # --- Контейнерний протокол ---\n",[3412,9777,9778],{"class":3414,"line":3892},[3412,9779,4431],{"class":3418},[3412,9781,9782,9784,9786,9788,9790,9792,9794],{"class":3414,"line":3898},[3412,9783,4086],{"class":3965},[3412,9785,4089],{"class":4005},[3412,9787,4034],{"class":3418},[3412,9789,4095],{"class":4094},[3412,9791,4524],{"class":3418},[3412,9793,5543],{"class":3969},[3412,9795,3973],{"class":3418},[3412,9797,9798],{"class":3414,"line":3903},[3412,9799,9800],{"class":3442},"        \"\"\"Кількість актуальних елементів у буфері.\"\"\"\n",[3412,9802,9803,9805,9807],{"class":3414,"line":3909},[3412,9804,4103],{"class":3978},[3412,9806,4910],{"class":3965},[3412,9808,9809],{"class":3418},"._size\n",[3412,9811,9812],{"class":3414,"line":3915},[3412,9813,4431],{"class":3418},[3412,9815,9816,9818,9820,9822,9824,9826,9828],{"class":3414,"line":3921},[3412,9817,4086],{"class":3965},[3412,9819,8206],{"class":4005},[3412,9821,4034],{"class":3418},[3412,9823,4095],{"class":4094},[3412,9825,4524],{"class":3418},[3412,9827,5780],{"class":3969},[3412,9829,3973],{"class":3418},[3412,9831,9832],{"class":3414,"line":3927},[3412,9833,9834],{"class":3442},"        \"\"\"True якщо буфер не порожній.\"\"\"\n",[3412,9836,9837,9839,9841,9844],{"class":3414,"line":3933},[3412,9838,4103],{"class":3978},[3412,9840,4910],{"class":3965},[3412,9842,9843],{"class":3418},"._size > ",[3412,9845,9846],{"class":3422},"0\n",[3412,9848,9849],{"class":3414,"line":6004},[3412,9850,4431],{"class":3418},[3412,9852,9853,9855,9858,9860,9862,9864,9867,9869,9871,9873,9875],{"class":3414,"line":6015},[3412,9854,4086],{"class":3965},[3412,9856,9857],{"class":4005}," __contains__",[3412,9859,4034],{"class":3418},[3412,9861,4095],{"class":4094},[3412,9863,3501],{"class":3418},[3412,9865,9866],{"class":4094},"item",[3412,9868,4014],{"class":3418},[3412,9870,5775],{"class":3969},[3412,9872,4524],{"class":3418},[3412,9874,5780],{"class":3969},[3412,9876,3973],{"class":3418},[3412,9878,9879],{"class":3414,"line":6022},[3412,9880,9881],{"class":3442},"        \"\"\"Перевірка наявності елемента: O(n).\"\"\"\n",[3412,9883,9884,9887,9890,9892,9894],{"class":3414,"line":6032},[3412,9885,9886],{"class":3978},"        for",[3412,9888,9889],{"class":3418}," element ",[3412,9891,9362],{"class":3978},[3412,9893,4910],{"class":3965},[3412,9895,3973],{"class":3418},[3412,9897,9898,9901],{"class":3414,"line":6037},[3412,9899,9900],{"class":3978},"            if",[3412,9902,9903],{"class":3418}," element == item:\n",[3412,9905,9906,9909],{"class":3414,"line":6042},[3412,9907,9908],{"class":3978},"                return",[3412,9910,9911],{"class":3965}," True\n",[3412,9913,9914,9916],{"class":3414,"line":6063},[3412,9915,4103],{"class":3978},[3412,9917,9918],{"class":3965}," False\n",[3412,9920,9921],{"class":3414,"line":6083},[3412,9922,4431],{"class":3418},[3412,9924,9925,9927,9930,9932,9934,9936,9939,9941,9943],{"class":3414,"line":6101},[3412,9926,4086],{"class":3965},[3412,9928,9929],{"class":4005}," __getitem__",[3412,9931,4034],{"class":3418},[3412,9933,4095],{"class":4094},[3412,9935,3501],{"class":3418},[3412,9937,9938],{"class":4094},"index",[3412,9940,4014],{"class":3418},[3412,9942,5543],{"class":3969},[3412,9944,9945],{"class":3418},") -> T:\n",[3412,9947,9948],{"class":3414,"line":6106},[3412,9949,5078],{"class":3442},[3412,9951,9952],{"class":3414,"line":6117},[3412,9953,9954],{"class":3442},"        Читання за індексом від голови (0 = найстаріший).\n",[3412,9956,9957],{"class":3414,"line":6128},[3412,9958,9959],{"class":3442},"        Підтримує від'ємні індекси: -1 = найновіший.\n",[3412,9961,9962],{"class":3414,"line":6138},[3412,9963,5078],{"class":3442},[3412,9965,9966,9968,9970,9973,9975,9978,9980],{"class":3414,"line":6148},[3412,9967,5107],{"class":3978},[3412,9969,5789],{"class":3965},[3412,9971,9972],{"class":3418}," (-",[3412,9974,4095],{"class":3965},[3412,9976,9977],{"class":3418},"._size \u003C= index \u003C ",[3412,9979,4095],{"class":3965},[3412,9981,9982],{"class":3418},"._size):\n",[3412,9984,9985,9987,9990],{"class":3414,"line":6153},[3412,9986,6556],{"class":3978},[3412,9988,9989],{"class":3969}," IndexError",[3412,9991,9992],{"class":3418},"(\n",[3412,9994,9995,9998,10001,10003,10005,10007,10010,10012,10015,10017],{"class":3414,"line":6159},[3412,9996,9997],{"class":3965},"                f",[3412,9999,10000],{"class":3442},"\"Індекс ",[3412,10002,4678],{"class":3965},[3412,10004,9938],{"class":3418},[3412,10006,4684],{"class":3965},[3412,10008,10009],{"class":3442}," виходить за межі буфера розміром ",[3412,10011,4563],{"class":3965},[3412,10013,10014],{"class":3418},"._size",[3412,10016,4684],{"class":3965},[3412,10018,4605],{"class":3442},[3412,10020,10021],{"class":3414,"line":6203},[3412,10022,10023],{"class":3418},"            )\n",[3412,10025,10026,10028,10031,10033],{"class":3414,"line":6216},[3412,10027,5107],{"class":3978},[3412,10029,10030],{"class":3418}," index \u003C ",[3412,10032,6078],{"class":3422},[3412,10034,3973],{"class":3418},[3412,10036,10037,10040,10042],{"class":3414,"line":8140},[3412,10038,10039],{"class":3418},"            index += ",[3412,10041,4095],{"class":3965},[3412,10043,9809],{"class":3418},[3412,10045,10046,10049,10051,10054,10056],{"class":3414,"line":8146},[3412,10047,10048],{"class":3418},"        real_index = (",[3412,10050,4095],{"class":3965},[3412,10052,10053],{"class":3418},"._head + index) % ",[3412,10055,4095],{"class":3965},[3412,10057,10058],{"class":3418},"._capacity\n",[3412,10060,10061,10063,10065,10068],{"class":3414,"line":8164},[3412,10062,4103],{"class":3978},[3412,10064,4910],{"class":3965},[3412,10066,10067],{"class":3418},"._buffer[real_index]  ",[3412,10069,10070],{"class":3432},"# type: ignore[return-value]\n",[3412,10072,10073],{"class":3414,"line":8190},[3412,10074,4431],{"class":3418},[3412,10076,10077,10079,10082,10084,10086],{"class":3414,"line":8195},[3412,10078,4086],{"class":3965},[3412,10080,10081],{"class":4005}," __iter__",[3412,10083,4034],{"class":3418},[3412,10085,4095],{"class":4094},[3412,10087,10088],{"class":3418},") -> Iterator[T]:\n",[3412,10090,10091],{"class":3414,"line":8201},[3412,10092,10093],{"class":3442},"        \"\"\"Ітерація від найстарішого до найновішого елемента.\"\"\"\n",[3412,10095,10096,10098,10101,10103,10106,10108,10110],{"class":3414,"line":8219},[3412,10097,9886],{"class":3978},[3412,10099,10100],{"class":3418}," i ",[3412,10102,9362],{"class":3978},[3412,10104,10105],{"class":4005}," range",[3412,10107,4034],{"class":3418},[3412,10109,4095],{"class":3965},[3412,10111,9982],{"class":3418},[3412,10113,10114,10117,10119,10122,10124,10127,10129,10132],{"class":3414,"line":8240},[3412,10115,10116],{"class":3978},"            yield",[3412,10118,4910],{"class":3965},[3412,10120,10121],{"class":3418},"._buffer[(",[3412,10123,4095],{"class":3965},[3412,10125,10126],{"class":3418},"._head + i) % ",[3412,10128,4095],{"class":3965},[3412,10130,10131],{"class":3418},"._capacity]  ",[3412,10133,10134],{"class":3432},"# type: ignore[misc]\n",[3412,10136,10137],{"class":3414,"line":8245},[3412,10138,4431],{"class":3418},[3412,10140,10141,10143,10146,10148,10150],{"class":3414,"line":8270},[3412,10142,4086],{"class":3965},[3412,10144,10145],{"class":4005}," __reversed__",[3412,10147,4034],{"class":3418},[3412,10149,4095],{"class":4094},[3412,10151,10088],{"class":3418},[3412,10153,10154],{"class":3414,"line":8281},[3412,10155,10156],{"class":3442},"        \"\"\"Зворотня ітерація: від найновішого до найстарішого.\"\"\"\n",[3412,10158,10159,10161,10163,10165,10167,10169,10171,10174,10176,10179,10181,10183,10185],{"class":3414,"line":8288},[3412,10160,9886],{"class":3978},[3412,10162,10100],{"class":3418},[3412,10164,9362],{"class":3978},[3412,10166,10105],{"class":4005},[3412,10168,4034],{"class":3418},[3412,10170,4095],{"class":3965},[3412,10172,10173],{"class":3418},"._size - ",[3412,10175,6048],{"class":3422},[3412,10177,10178],{"class":3418},", -",[3412,10180,6048],{"class":3422},[3412,10182,10178],{"class":3418},[3412,10184,6048],{"class":3422},[3412,10186,4098],{"class":3418},[3412,10188,10189,10191,10193,10195,10197,10199,10201,10203],{"class":3414,"line":8303},[3412,10190,10116],{"class":3978},[3412,10192,4910],{"class":3965},[3412,10194,10121],{"class":3418},[3412,10196,4095],{"class":3965},[3412,10198,10126],{"class":3418},[3412,10200,4095],{"class":3965},[3412,10202,10131],{"class":3418},[3412,10204,10134],{"class":3432},[3412,10206,10207],{"class":3414,"line":8308},[3412,10208,4431],{"class":3418},[3412,10210,10211],{"class":3414,"line":8313},[3412,10212,10213],{"class":3432},"    # --- Мутуючі операції ---\n",[3412,10215,10216],{"class":3414,"line":8319},[3412,10217,4431],{"class":3418},[3412,10219,10220,10222,10225,10227,10229,10231,10233,10236,10238],{"class":3414,"line":8333},[3412,10221,4086],{"class":3965},[3412,10223,10224],{"class":4005}," append",[3412,10226,4034],{"class":3418},[3412,10228,4095],{"class":4094},[3412,10230,3501],{"class":3418},[3412,10232,9866],{"class":4094},[3412,10234,10235],{"class":3418},": T) -> ",[3412,10237,4472],{"class":3965},[3412,10239,3973],{"class":3418},[3412,10241,10242],{"class":3414,"line":8348},[3412,10243,5078],{"class":3442},[3412,10245,10246],{"class":3414,"line":8353},[3412,10247,10248],{"class":3442},"        Додає елемент у кінець буфера.\n",[3412,10250,10251],{"class":3414,"line":8364},[3412,10252,10253],{"class":3442},"        Якщо буфер повний — витісняє найстаріший елемент.\n",[3412,10255,10256],{"class":3414,"line":8375},[3412,10257,5078],{"class":3442},[3412,10259,10260,10262,10265,10267],{"class":3414,"line":8392},[3412,10261,4483],{"class":3965},[3412,10263,10264],{"class":3418},"._buffer[",[3412,10266,4095],{"class":3965},[3412,10268,10269],{"class":3418},"._tail] = item\n",[3412,10271,10272,10274,10277,10279,10282,10284,10287,10289],{"class":3414,"line":8407},[3412,10273,4483],{"class":3965},[3412,10275,10276],{"class":3418},"._tail = (",[3412,10278,4095],{"class":3965},[3412,10280,10281],{"class":3418},"._tail + ",[3412,10283,6048],{"class":3422},[3412,10285,10286],{"class":3418},") % ",[3412,10288,4095],{"class":3965},[3412,10290,10058],{"class":3418},[3412,10292,10293],{"class":3414,"line":8418},[3412,10294,10295],{"class":3418},"        \n",[3412,10297,10298,10300,10302,10305,10307],{"class":3414,"line":8434},[3412,10299,5107],{"class":3978},[3412,10301,4910],{"class":3965},[3412,10303,10304],{"class":3418},"._size \u003C ",[3412,10306,4095],{"class":3965},[3412,10308,10309],{"class":3418},"._capacity:\n",[3412,10311,10312,10315,10318],{"class":3414,"line":8459},[3412,10313,10314],{"class":3965},"            self",[3412,10316,10317],{"class":3418},"._size += ",[3412,10319,10320],{"class":3422},"1\n",[3412,10322,10323,10325],{"class":3414,"line":8473},[3412,10324,5170],{"class":3978},[3412,10326,3973],{"class":3418},[3412,10328,10329],{"class":3414,"line":8478},[3412,10330,10331],{"class":3432},"            # Буфер повний: голова теж рухається вперед (витіснення)\n",[3412,10333,10334,10336,10339,10341,10344,10346,10348,10350],{"class":3414,"line":8484},[3412,10335,10314],{"class":3965},[3412,10337,10338],{"class":3418},"._head = (",[3412,10340,4095],{"class":3965},[3412,10342,10343],{"class":3418},"._head + ",[3412,10345,6048],{"class":3422},[3412,10347,10286],{"class":3418},[3412,10349,4095],{"class":3965},[3412,10351,10058],{"class":3418},[3412,10353,10354],{"class":3414,"line":8515},[3412,10355,4431],{"class":3418},[3412,10357,10358,10360,10363,10365,10367],{"class":3414,"line":8530},[3412,10359,4086],{"class":3965},[3412,10361,10362],{"class":4005}," popleft",[3412,10364,4034],{"class":3418},[3412,10366,4095],{"class":4094},[3412,10368,9945],{"class":3418},[3412,10370,10371],{"class":3414,"line":8541},[3412,10372,10373],{"class":3442},"        \"\"\"Вилучає та повертає найстаріший елемент.\"\"\"\n",[3412,10375,10376,10378,10380,10383,10385],{"class":3414,"line":8546},[3412,10377,5107],{"class":3978},[3412,10379,4910],{"class":3965},[3412,10381,10382],{"class":3418},"._size == ",[3412,10384,6078],{"class":3422},[3412,10386,3973],{"class":3418},[3412,10388,10389,10391,10393,10395,10398],{"class":3414,"line":8552},[3412,10390,6556],{"class":3978},[3412,10392,9989],{"class":3969},[3412,10394,4034],{"class":3418},[3412,10396,10397],{"class":3442},"\"popleft() з порожнього буфера\"",[3412,10399,4665],{"class":3418},[3412,10401,10402,10405,10407,10409,10411],{"class":3414,"line":8564},[3412,10403,10404],{"class":3418},"        item = ",[3412,10406,4095],{"class":3965},[3412,10408,10264],{"class":3418},[3412,10410,4095],{"class":3965},[3412,10412,10413],{"class":3418},"._head]\n",[3412,10415,10416,10418,10420,10422,10425,10427],{"class":3414,"line":8578},[3412,10417,4483],{"class":3965},[3412,10419,10264],{"class":3418},[3412,10421,4095],{"class":3965},[3412,10423,10424],{"class":3418},"._head] = ",[3412,10426,4472],{"class":3965},[3412,10428,10429],{"class":3432},"  # звільняємо посилання (GC)\n",[3412,10431,10432,10434,10436,10438,10440,10442,10444,10446],{"class":3414,"line":8589},[3412,10433,4483],{"class":3965},[3412,10435,10338],{"class":3418},[3412,10437,4095],{"class":3965},[3412,10439,10343],{"class":3418},[3412,10441,6048],{"class":3422},[3412,10443,10286],{"class":3418},[3412,10445,4095],{"class":3965},[3412,10447,10058],{"class":3418},[3412,10449,10451,10453,10456],{"class":3414,"line":10450},99,[3412,10452,4483],{"class":3965},[3412,10454,10455],{"class":3418},"._size -= ",[3412,10457,10320],{"class":3422},[3412,10459,10461,10463,10466],{"class":3414,"line":10460},100,[3412,10462,4103],{"class":3978},[3412,10464,10465],{"class":3418}," item  ",[3412,10467,10070],{"class":3432},[3412,10469,10471],{"class":3414,"line":10470},101,[3412,10472,3737],{"emptyLinePlaceholder":3736},[3412,10474,10476],{"class":3414,"line":10475},102,[3412,10477,3737],{"emptyLinePlaceholder":3736},[3412,10479,10481],{"class":3414,"line":10480},103,[3412,10482,10483],{"class":3432},"# --- Демонстрація ---\n",[3412,10485,10487],{"class":3414,"line":10486},104,[3412,10488,3737],{"emptyLinePlaceholder":3736},[3412,10490,10492,10495,10497,10500,10502,10505,10507],{"class":3414,"line":10491},105,[3412,10493,10494],{"class":3418},"buf: RingBuffer[",[3412,10496,5543],{"class":3969},[3412,10498,10499],{"class":3418},"] = RingBuffer(",[3412,10501,9533],{"class":4094},[3412,10503,10504],{"class":3418},"=",[3412,10506,8343],{"class":3422},[3412,10508,4665],{"class":3418},[3412,10510,10512],{"class":3414,"line":10511},106,[3412,10513,3737],{"emptyLinePlaceholder":3736},[3412,10515,10517],{"class":3414,"line":10516},107,[3412,10518,10519],{"class":3432},"# Наповнюємо буфер\n",[3412,10521,10523,10525,10527,10529,10531,10533,10535,10537,10539],{"class":3414,"line":10522},108,[3412,10524,9753],{"class":3978},[3412,10526,10100],{"class":3418},[3412,10528,9362],{"class":3978},[3412,10530,10105],{"class":4005},[3412,10532,4034],{"class":3418},[3412,10534,6048],{"class":3422},[3412,10536,3501],{"class":3418},[3412,10538,4921],{"class":3422},[3412,10540,4098],{"class":3418},[3412,10542,10544],{"class":3414,"line":10543},109,[3412,10545,10546],{"class":3418},"    buf.append(i)\n",[3412,10548,10550],{"class":3414,"line":10549},110,[3412,10551,3737],{"emptyLinePlaceholder":3736},[3412,10553,10555,10557,10560],{"class":3414,"line":10554},111,[3412,10556,4031],{"class":4005},[3412,10558,10559],{"class":3418},"(buf)          ",[3412,10561,10562],{"class":3432},"# RingBuffer[1, 2, 3, 4]\n",[3412,10564,10566,10568,10570,10572,10575],{"class":3414,"line":10565},112,[3412,10567,4031],{"class":4005},[3412,10569,4034],{"class":3418},[3412,10571,4037],{"class":4005},[3412,10573,10574],{"class":3418},"(buf))     ",[3412,10576,10577],{"class":3432},"# 4\n",[3412,10579,10581,10583,10586,10588,10591],{"class":3414,"line":10580},113,[3412,10582,4031],{"class":4005},[3412,10584,10585],{"class":3418},"(buf[",[3412,10587,6078],{"class":3422},[3412,10589,10590],{"class":3418},"])       ",[3412,10592,10593],{"class":3432},"# 1  (найстаріший)\n",[3412,10595,10597,10599,10602,10604,10607],{"class":3414,"line":10596},114,[3412,10598,4031],{"class":4005},[3412,10600,10601],{"class":3418},"(buf[-",[3412,10603,6048],{"class":3422},[3412,10605,10606],{"class":3418},"])      ",[3412,10608,10609],{"class":3432},"# 4  (найновіший)\n",[3412,10611,10613,10615,10617,10619,10621,10624],{"class":3414,"line":10612},115,[3412,10614,4031],{"class":4005},[3412,10616,4034],{"class":3418},[3412,10618,6058],{"class":3422},[3412,10620,6546],{"class":3978},[3412,10622,10623],{"class":3418}," buf)     ",[3412,10625,6114],{"class":3432},[3412,10627,10629],{"class":3414,"line":10628},116,[3412,10630,3737],{"emptyLinePlaceholder":3736},[3412,10632,10634],{"class":3414,"line":10633},117,[3412,10635,10636],{"class":3432},"# Витіснення: додаємо при повному буфері\n",[3412,10638,10640,10643,10645,10648],{"class":3414,"line":10639},118,[3412,10641,10642],{"class":3418},"buf.append(",[3412,10644,4921],{"class":3422},[3412,10646,10647],{"class":3418},")       ",[3412,10649,10650],{"class":3432},"# витісняє 1\n",[3412,10652,10654,10656,10658,10660],{"class":3414,"line":10653},119,[3412,10655,10642],{"class":3418},[3412,10657,9252],{"class":3422},[3412,10659,10647],{"class":3418},[3412,10661,10662],{"class":3432},"# витісняє 2\n",[3412,10664,10666,10668,10670],{"class":3414,"line":10665},120,[3412,10667,4031],{"class":4005},[3412,10669,10559],{"class":3418},[3412,10671,10672],{"class":3432},"# RingBuffer[3, 4, 5, 6]\n",[3412,10674,10676],{"class":3414,"line":10675},121,[3412,10677,3737],{"emptyLinePlaceholder":3736},[3412,10679,10681],{"class":3414,"line":10680},122,[3412,10682,10683],{"class":3432},"# Зворотня ітерація\n",[3412,10685,10687,10689,10691,10693,10695,10698,10701],{"class":3414,"line":10686},123,[3412,10688,4031],{"class":4005},[3412,10690,4034],{"class":3418},[3412,10692,7462],{"class":3969},[3412,10694,4034],{"class":3418},[3412,10696,10697],{"class":4005},"reversed",[3412,10699,10700],{"class":3418},"(buf)))  ",[3412,10702,10703],{"class":3432},"# [6, 5, 4, 3]\n",[3412,10705,10707],{"class":3414,"line":10706},124,[3412,10708,3737],{"emptyLinePlaceholder":3736},[3412,10710,10712],{"class":3414,"line":10711},125,[3412,10713,10714],{"class":3432},"# for-цикл через __iter__\n",[3412,10716,10718,10720,10723,10725,10728,10730,10732,10735],{"class":3414,"line":10717},126,[3412,10719,4031],{"class":4005},[3412,10721,10722],{"class":3418},"([x * ",[3412,10724,6053],{"class":3422},[3412,10726,10727],{"class":3978}," for",[3412,10729,9756],{"class":3418},[3412,10731,9362],{"class":3978},[3412,10733,10734],{"class":3418}," buf])  ",[3412,10736,10737],{"class":3432},"# [6, 8, 10, 12]\n",[3412,10739,10741],{"class":3414,"line":10740},127,[3412,10742,3737],{"emptyLinePlaceholder":3736},[3412,10744,10746],{"class":3414,"line":10745},128,[3412,10747,10748],{"class":3432},"# popleft\n",[3412,10750,10752],{"class":3414,"line":10751},129,[3412,10753,10754],{"class":3418},"oldest = buf.popleft()\n",[3412,10756,10758,10760,10762,10764,10767,10769,10772,10774,10777,10779,10782,10784,10786],{"class":3414,"line":10757},130,[3412,10759,4031],{"class":4005},[3412,10761,4034],{"class":3418},[3412,10763,5220],{"class":3965},[3412,10765,10766],{"class":3442},"\"Вилучено: ",[3412,10768,4678],{"class":3965},[3412,10770,10771],{"class":3418},"oldest",[3412,10773,4684],{"class":3965},[3412,10775,10776],{"class":3442},", залишок: ",[3412,10778,4678],{"class":3965},[3412,10780,10781],{"class":3418},"buf",[3412,10783,4684],{"class":3965},[3412,10785,5033],{"class":3442},[3412,10787,4665],{"class":3418},[3412,10789,10791],{"class":3414,"line":10790},131,[3412,10792,10793],{"class":3432},"# Вилучено: 3, залишок: RingBuffer[4, 5, 6]\n",[5312,10795,10797,10805,10814,10821,10828,10835,10842,10850,10858,10866],{"title":10796},"python ring_buffer.py",[5316,10798,10800,5324,10803],{"className":10799},[3414],[3412,10801,5323],{"className":10802},[5322],[3494,10804,10796],{},[5316,10806,10808,10809,10813],{"className":10807},[3414],"RingBuffer[",[3412,10810,10812],{"className":10811},[5350],"1, 2, 3, 4","]",[5316,10815,10817,10818],{"className":10816},[3414],"len: ",[3412,10819,8343],{"className":10820},[5334],[5316,10822,10824,10825],{"className":10823},[3414],"buf[0]: ",[3412,10826,6048],{"className":10827},[5334],[5316,10829,10831,10832],{"className":10830},[3414],"buf[-1]: ",[3412,10833,8343],{"className":10834},[5334],[5316,10836,10838,10839],{"className":10837},[3414],"3 in buf: ",[3412,10840,6239],{"className":10841},[6238],[5316,10843,10845,10846,10813],{"className":10844},[3414],"після витіснення: RingBuffer[",[3412,10847,10849],{"className":10848},[5350],"3, 4, 5, 6",[5316,10851,10853,10854,10813],{"className":10852},[3414],"reversed: [",[3412,10855,10857],{"className":10856},[5350],"6, 5, 4, 3",[5316,10859,10861,10862,10813],{"className":10860},[3414],"x*2: [",[3412,10863,10865],{"className":10864},[5350],"6, 8, 10, 12",[5316,10867,10869,10870,10873,10874,10813],{"className":10868},[3414],"Вилучено: ",[3412,10871,6058],{"className":10872},[5334],", залишок: RingBuffer[",[3412,10875,10877],{"className":10876},[5350],"4, 5, 6",[3635,10879,10881,10882,3426,10884],{"id":10880},"ітератор-як-окремий-обєкт-__iter__-__next__","Ітератор як окремий об'єкт: ",[3394,10883,3659],{},[3394,10885,9389],{},[3399,10887,10888,10889,10891,10892,10895,10896,10898],{},"У прикладі вище ",[3394,10890,9421],{}," використовує ",[3394,10893,10894],{},"yield"," всередині ",[3394,10897,3659],{}," — це генераторна функція, яка автоматично повертає ітератор. Але важливо розуміти, що Python розрізняє два поняття:",[10900,10901,10902,10912],"ul",{},[10903,10904,10905,10908,10909,10911],"li",{},[3494,10906,10907],{},"Ітерабельний об'єкт"," (iterable): має ",[3394,10910,3659],{},", що повертає ітератор. Може ітеруватись багаторазово.",[10903,10913,10914,10917,10918,10920,10921,10923],{},[3494,10915,10916],{},"Ітератор"," (iterator): має ",[3394,10919,9389],{},", що повертає наступний елемент або підіймає ",[3394,10922,9397],{},". Ітерується лише один раз.",[3403,10925,10927],{"className":3405,"code":10926,"language":3407,"meta":3408,"style":3408},"class CountDown:\n    \"\"\"Ітерабельний об'єкт: від n до 1.\"\"\"\n    \n    def __init__(self, start: int):\n        self.start = start\n    \n    def __iter__(self) -> CountDownIterator:\n        # Кожного разу повертаємо НОВИЙ ітератор → можна ітерувати багаторазово\n        return CountDownIterator(self.start)\n\n\nclass CountDownIterator:\n    \"\"\"Ітератор для CountDown: зберігає поточний стан обходу.\"\"\"\n    \n    def __init__(self, current: int):\n        self._current = current\n    \n    def __iter__(self) -> CountDownIterator:\n        # Ітератор теж має __iter__ (повертає себе) — вимога протоколу\n        return self\n    \n    def __next__(self) -> int:\n        if self._current \u003C= 0:\n            raise StopIteration\n        value = self._current\n        self._current -= 1\n        return value\n\n\ncountdown = CountDown(3)\n\n# Перша ітерація\nprint(list(countdown))   # [3, 2, 1]\n\n# Друга ітерація — повний обхід знову, бо __iter__ повертає новий об'єкт\nprint(list(countdown))   # [3, 2, 1]   ← не порожній!\n\n# Але безпосередньо ітератор — одноразовий\nit = iter(countdown)     # iter(obj) викликає obj.__iter__()\nprint(next(it))          # 3\nprint(next(it))          # 2\nprint(list(it))          # [1]  ← залишок\nprint(list(it))          # []   ← вичерпано\n",[3394,10928,10929,10938,10943,10947,10968,10975,10979,10992,10997,11009,11013,11017,11026,11031,11035,11056,11063,11067,11079,11084,11090,11094,11111,11124,11131,11141,11150,11157,11161,11165,11174,11178,11183,11197,11201,11206,11219,11223,11228,11242,11257,11270,11283],{"__ignoreMap":3408},[3412,10930,10931,10933,10936],{"class":3414,"line":3415},[3412,10932,3966],{"class":3965},[3412,10934,10935],{"class":3969}," CountDown",[3412,10937,3973],{"class":3418},[3412,10939,10940],{"class":3414,"line":3436},[3412,10941,10942],{"class":3442},"    \"\"\"Ітерабельний об'єкт: від n до 1.\"\"\"\n",[3412,10944,10945],{"class":3414,"line":3454},[3412,10946,4431],{"class":3418},[3412,10948,10949,10951,10953,10955,10957,10959,10962,10964,10966],{"class":3414,"line":3703},[3412,10950,4086],{"class":3965},[3412,10952,4438],{"class":4005},[3412,10954,4034],{"class":3418},[3412,10956,4095],{"class":4094},[3412,10958,3501],{"class":3418},[3412,10960,10961],{"class":4094},"start",[3412,10963,4014],{"class":3418},[3412,10965,5543],{"class":3969},[3412,10967,4098],{"class":3418},[3412,10969,10970,10972],{"class":3414,"line":3709},[3412,10971,4483],{"class":3965},[3412,10973,10974],{"class":3418},".start = start\n",[3412,10976,10977],{"class":3414,"line":3715},[3412,10978,4431],{"class":3418},[3412,10980,10981,10983,10985,10987,10989],{"class":3414,"line":3721},[3412,10982,4086],{"class":3965},[3412,10984,10081],{"class":4005},[3412,10986,4034],{"class":3418},[3412,10988,4095],{"class":4094},[3412,10990,10991],{"class":3418},") -> CountDownIterator:\n",[3412,10993,10994],{"class":3414,"line":3727},[3412,10995,10996],{"class":3432},"        # Кожного разу повертаємо НОВИЙ ітератор → можна ітерувати багаторазово\n",[3412,10998,10999,11001,11004,11006],{"class":3414,"line":3733},[3412,11000,4103],{"class":3978},[3412,11002,11003],{"class":3418}," CountDownIterator(",[3412,11005,4095],{"class":3965},[3412,11007,11008],{"class":3418},".start)\n",[3412,11010,11011],{"class":3414,"line":3740},[3412,11012,3737],{"emptyLinePlaceholder":3736},[3412,11014,11015],{"class":3414,"line":3746},[3412,11016,3737],{"emptyLinePlaceholder":3736},[3412,11018,11019,11021,11024],{"class":3414,"line":3752},[3412,11020,3966],{"class":3965},[3412,11022,11023],{"class":3969}," CountDownIterator",[3412,11025,3973],{"class":3418},[3412,11027,11028],{"class":3414,"line":3758},[3412,11029,11030],{"class":3442},"    \"\"\"Ітератор для CountDown: зберігає поточний стан обходу.\"\"\"\n",[3412,11032,11033],{"class":3414,"line":3764},[3412,11034,4431],{"class":3418},[3412,11036,11037,11039,11041,11043,11045,11047,11050,11052,11054],{"class":3414,"line":3770},[3412,11038,4086],{"class":3965},[3412,11040,4438],{"class":4005},[3412,11042,4034],{"class":3418},[3412,11044,4095],{"class":4094},[3412,11046,3501],{"class":3418},[3412,11048,11049],{"class":4094},"current",[3412,11051,4014],{"class":3418},[3412,11053,5543],{"class":3969},[3412,11055,4098],{"class":3418},[3412,11057,11058,11060],{"class":3414,"line":3776},[3412,11059,4483],{"class":3965},[3412,11061,11062],{"class":3418},"._current = current\n",[3412,11064,11065],{"class":3414,"line":3782},[3412,11066,4431],{"class":3418},[3412,11068,11069,11071,11073,11075,11077],{"class":3414,"line":3788},[3412,11070,4086],{"class":3965},[3412,11072,10081],{"class":4005},[3412,11074,4034],{"class":3418},[3412,11076,4095],{"class":4094},[3412,11078,10991],{"class":3418},[3412,11080,11081],{"class":3414,"line":3793},[3412,11082,11083],{"class":3432},"        # Ітератор теж має __iter__ (повертає себе) — вимога протоколу\n",[3412,11085,11086,11088],{"class":3414,"line":3798},[3412,11087,4103],{"class":3978},[3412,11089,7916],{"class":3965},[3412,11091,11092],{"class":3414,"line":3804},[3412,11093,4431],{"class":3418},[3412,11095,11096,11098,11101,11103,11105,11107,11109],{"class":3414,"line":3810},[3412,11097,4086],{"class":3965},[3412,11099,11100],{"class":4005}," __next__",[3412,11102,4034],{"class":3418},[3412,11104,4095],{"class":4094},[3412,11106,4524],{"class":3418},[3412,11108,5543],{"class":3969},[3412,11110,3973],{"class":3418},[3412,11112,11113,11115,11117,11120,11122],{"class":3414,"line":3816},[3412,11114,5107],{"class":3978},[3412,11116,4910],{"class":3965},[3412,11118,11119],{"class":3418},"._current \u003C= ",[3412,11121,6078],{"class":3422},[3412,11123,3973],{"class":3418},[3412,11125,11126,11128],{"class":3414,"line":3822},[3412,11127,6556],{"class":3978},[3412,11129,11130],{"class":3969}," StopIteration\n",[3412,11132,11133,11136,11138],{"class":3414,"line":3828},[3412,11134,11135],{"class":3418},"        value = ",[3412,11137,4095],{"class":3965},[3412,11139,11140],{"class":3418},"._current\n",[3412,11142,11143,11145,11148],{"class":3414,"line":3834},[3412,11144,4483],{"class":3965},[3412,11146,11147],{"class":3418},"._current -= ",[3412,11149,10320],{"class":3422},[3412,11151,11152,11154],{"class":3414,"line":3840},[3412,11153,4103],{"class":3978},[3412,11155,11156],{"class":3418}," value\n",[3412,11158,11159],{"class":3414,"line":3846},[3412,11160,3737],{"emptyLinePlaceholder":3736},[3412,11162,11163],{"class":3414,"line":3851},[3412,11164,3737],{"emptyLinePlaceholder":3736},[3412,11166,11167,11170,11172],{"class":3414,"line":3856},[3412,11168,11169],{"class":3418},"countdown = CountDown(",[3412,11171,6058],{"class":3422},[3412,11173,4665],{"class":3418},[3412,11175,11176],{"class":3414,"line":3862},[3412,11177,3737],{"emptyLinePlaceholder":3736},[3412,11179,11180],{"class":3414,"line":3868},[3412,11181,11182],{"class":3432},"# Перша ітерація\n",[3412,11184,11185,11187,11189,11191,11194],{"class":3414,"line":3874},[3412,11186,4031],{"class":4005},[3412,11188,4034],{"class":3418},[3412,11190,7462],{"class":3969},[3412,11192,11193],{"class":3418},"(countdown))   ",[3412,11195,11196],{"class":3432},"# [3, 2, 1]\n",[3412,11198,11199],{"class":3414,"line":3880},[3412,11200,3737],{"emptyLinePlaceholder":3736},[3412,11202,11203],{"class":3414,"line":3886},[3412,11204,11205],{"class":3432},"# Друга ітерація — повний обхід знову, бо __iter__ повертає новий об'єкт\n",[3412,11207,11208,11210,11212,11214,11216],{"class":3414,"line":3892},[3412,11209,4031],{"class":4005},[3412,11211,4034],{"class":3418},[3412,11213,7462],{"class":3969},[3412,11215,11193],{"class":3418},[3412,11217,11218],{"class":3432},"# [3, 2, 1]   ← не порожній!\n",[3412,11220,11221],{"class":3414,"line":3898},[3412,11222,3737],{"emptyLinePlaceholder":3736},[3412,11224,11225],{"class":3414,"line":3903},[3412,11226,11227],{"class":3432},"# Але безпосередньо ітератор — одноразовий\n",[3412,11229,11230,11233,11236,11239],{"class":3414,"line":3909},[3412,11231,11232],{"class":3418},"it = ",[3412,11234,11235],{"class":4005},"iter",[3412,11237,11238],{"class":3418},"(countdown)     ",[3412,11240,11241],{"class":3432},"# iter(obj) викликає obj.__iter__()\n",[3412,11243,11244,11246,11248,11251,11254],{"class":3414,"line":3915},[3412,11245,4031],{"class":4005},[3412,11247,4034],{"class":3418},[3412,11249,11250],{"class":4005},"next",[3412,11252,11253],{"class":3418},"(it))          ",[3412,11255,11256],{"class":3432},"# 3\n",[3412,11258,11259,11261,11263,11265,11267],{"class":3414,"line":3921},[3412,11260,4031],{"class":4005},[3412,11262,4034],{"class":3418},[3412,11264,11250],{"class":4005},[3412,11266,11253],{"class":3418},[3412,11268,11269],{"class":3432},"# 2\n",[3412,11271,11272,11274,11276,11278,11280],{"class":3414,"line":3927},[3412,11273,4031],{"class":4005},[3412,11275,4034],{"class":3418},[3412,11277,7462],{"class":3969},[3412,11279,11253],{"class":3418},[3412,11281,11282],{"class":3432},"# [1]  ← залишок\n",[3412,11284,11285,11287,11289,11291,11293],{"class":3414,"line":3933},[3412,11286,4031],{"class":4005},[3412,11288,4034],{"class":3418},[3412,11290,7462],{"class":3969},[3412,11292,11253],{"class":3418},[3412,11294,11295],{"class":3432},"# []   ← вичерпано\n",[4789,11297,11298,11300,11301,11304,11305,11308,11309,11312,11313,11315,11316,11319,11320,11322,11323,3546],{},[3394,11299,3504],{}," під капотом виконує: ",[3394,11302,11303],{},"_iter = iter(obj)"," (виклик ",[3394,11306,11307],{},"obj.__iter__()","), потім у циклі ",[3394,11310,11311],{},"x = next(_iter)"," до ",[3394,11314,9397],{},". Вбудована функція ",[3394,11317,11318],{},"iter()"," перевіряє також наявність ",[3394,11321,3671],{}," — для зворотньої сумісності зі старими класами, що не мають ",[3394,11324,3659],{},[3628,11326],{},[3389,11328,11330,11331],{"id":11329},"частина-vi-протокол-виклику-__call__","Частина VI: Протокол виклику — ",[3394,11332,4266],{},[3635,11334,11336],{"id":11335},"обєкти-як-функції","Об'єкти як функції",[3399,11338,4809,11339,11341,11342,11345],{},[3394,11340,4266],{}," перетворює екземпляр класу на ",[3494,11343,11344],{},"callable"," — об'єкт, який можна викликати з дужками, як функцію. Це відкриває архітектурний простір між функціями та класами: callable-об'єкт може зберігати стан між викликами, на відміну від звичайної функції.",[3403,11347,11349],{"className":3405,"code":11348,"language":3407,"meta":3408,"style":3408},"class Multiplier:\n    \"\"\"Callable-об'єкт: множить вхідне значення на фіксований коефіцієнт.\"\"\"\n    \n    def __init__(self, factor: float):\n        self.factor = factor\n    \n    def __repr__(self) -> str:\n        return f\"Multiplier(factor={self.factor})\"\n    \n    def __call__(self, value: float) -> float:\n        \"\"\"Викликається як: multiplier(value)\"\"\"\n        return value * self.factor\n\n\ndouble = Multiplier(2)\ntriple = Multiplier(3)\n\nprint(double(5))    # 10.0\nprint(triple(5))    # 15.0\nprint(double(triple(4)))  # double(12) = 24.0\n\n# Перевірка callable\nimport inspect\nprint(callable(double))            # True\nprint(inspect.isfunction(double))  # False — це не функція, а callable об'єкт\n",[3394,11350,11351,11360,11365,11369,11390,11397,11401,11417,11435,11439,11465,11470,11482,11486,11490,11499,11508,11512,11527,11541,11555,11559,11564,11571,11584],{"__ignoreMap":3408},[3412,11352,11353,11355,11358],{"class":3414,"line":3415},[3412,11354,3966],{"class":3965},[3412,11356,11357],{"class":3969}," Multiplier",[3412,11359,3973],{"class":3418},[3412,11361,11362],{"class":3414,"line":3436},[3412,11363,11364],{"class":3442},"    \"\"\"Callable-об'єкт: множить вхідне значення на фіксований коефіцієнт.\"\"\"\n",[3412,11366,11367],{"class":3414,"line":3454},[3412,11368,4431],{"class":3418},[3412,11370,11371,11373,11375,11377,11379,11381,11384,11386,11388],{"class":3414,"line":3703},[3412,11372,4086],{"class":3965},[3412,11374,4438],{"class":4005},[3412,11376,4034],{"class":3418},[3412,11378,4095],{"class":4094},[3412,11380,3501],{"class":3418},[3412,11382,11383],{"class":4094},"factor",[3412,11385,4014],{"class":3418},[3412,11387,4865],{"class":3969},[3412,11389,4098],{"class":3418},[3412,11391,11392,11394],{"class":3414,"line":3709},[3412,11393,4483],{"class":3965},[3412,11395,11396],{"class":3418},".factor = factor\n",[3412,11398,11399],{"class":3414,"line":3715},[3412,11400,4431],{"class":3418},[3412,11402,11403,11405,11407,11409,11411,11413,11415],{"class":3414,"line":3721},[3412,11404,4086],{"class":3965},[3412,11406,4517],{"class":4005},[3412,11408,4034],{"class":3418},[3412,11410,4095],{"class":4094},[3412,11412,4524],{"class":3418},[3412,11414,4452],{"class":3969},[3412,11416,3973],{"class":3418},[3412,11418,11419,11421,11423,11426,11428,11431,11433],{"class":3414,"line":3727},[3412,11420,4103],{"class":3978},[3412,11422,4672],{"class":3965},[3412,11424,11425],{"class":3442},"\"Multiplier(factor=",[3412,11427,4563],{"class":3965},[3412,11429,11430],{"class":3418},".factor",[3412,11432,4684],{"class":3965},[3412,11434,5004],{"class":3442},[3412,11436,11437],{"class":3414,"line":3733},[3412,11438,4431],{"class":3418},[3412,11440,11441,11443,11446,11448,11450,11452,11455,11457,11459,11461,11463],{"class":3414,"line":3740},[3412,11442,4086],{"class":3965},[3412,11444,11445],{"class":4005}," __call__",[3412,11447,4034],{"class":3418},[3412,11449,4095],{"class":4094},[3412,11451,3501],{"class":3418},[3412,11453,11454],{"class":4094},"value",[3412,11456,4014],{"class":3418},[3412,11458,4865],{"class":3969},[3412,11460,4524],{"class":3418},[3412,11462,4865],{"class":3969},[3412,11464,3973],{"class":3418},[3412,11466,11467],{"class":3414,"line":3746},[3412,11468,11469],{"class":3442},"        \"\"\"Викликається як: multiplier(value)\"\"\"\n",[3412,11471,11472,11474,11477,11479],{"class":3414,"line":3752},[3412,11473,4103],{"class":3978},[3412,11475,11476],{"class":3418}," value * ",[3412,11478,4095],{"class":3965},[3412,11480,11481],{"class":3418},".factor\n",[3412,11483,11484],{"class":3414,"line":3758},[3412,11485,3737],{"emptyLinePlaceholder":3736},[3412,11487,11488],{"class":3414,"line":3764},[3412,11489,3737],{"emptyLinePlaceholder":3736},[3412,11491,11492,11495,11497],{"class":3414,"line":3770},[3412,11493,11494],{"class":3418},"double = Multiplier(",[3412,11496,6053],{"class":3422},[3412,11498,4665],{"class":3418},[3412,11500,11501,11504,11506],{"class":3414,"line":3776},[3412,11502,11503],{"class":3418},"triple = Multiplier(",[3412,11505,6058],{"class":3422},[3412,11507,4665],{"class":3418},[3412,11509,11510],{"class":3414,"line":3782},[3412,11511,3737],{"emptyLinePlaceholder":3736},[3412,11513,11514,11516,11519,11521,11524],{"class":3414,"line":3788},[3412,11515,4031],{"class":4005},[3412,11517,11518],{"class":3418},"(double(",[3412,11520,4921],{"class":3422},[3412,11522,11523],{"class":3418},"))    ",[3412,11525,11526],{"class":3432},"# 10.0\n",[3412,11528,11529,11531,11534,11536,11538],{"class":3414,"line":3793},[3412,11530,4031],{"class":4005},[3412,11532,11533],{"class":3418},"(triple(",[3412,11535,4921],{"class":3422},[3412,11537,11523],{"class":3418},[3412,11539,11540],{"class":3432},"# 15.0\n",[3412,11542,11543,11545,11548,11550,11552],{"class":3414,"line":3798},[3412,11544,4031],{"class":4005},[3412,11546,11547],{"class":3418},"(double(triple(",[3412,11549,8343],{"class":3422},[3412,11551,8453],{"class":3418},[3412,11553,11554],{"class":3432},"# double(12) = 24.0\n",[3412,11556,11557],{"class":3414,"line":3804},[3412,11558,3737],{"emptyLinePlaceholder":3736},[3412,11560,11561],{"class":3414,"line":3810},[3412,11562,11563],{"class":3432},"# Перевірка callable\n",[3412,11565,11566,11568],{"class":3414,"line":3816},[3412,11567,4405],{"class":3978},[3412,11569,11570],{"class":3418}," inspect\n",[3412,11572,11573,11575,11577,11579,11582],{"class":3414,"line":3822},[3412,11574,4031],{"class":4005},[3412,11576,4034],{"class":3418},[3412,11578,11344],{"class":4005},[3412,11580,11581],{"class":3418},"(double))            ",[3412,11583,6114],{"class":3432},[3412,11585,11586,11588,11591],{"class":3414,"line":3828},[3412,11587,4031],{"class":4005},[3412,11589,11590],{"class":3418},"(inspect.isfunction(double))  ",[3412,11592,11593],{"class":3432},"# False — це не функція, а callable об'єкт\n",[3635,11595,11597],{"id":11596},"практичний-сценарій-lru-кеш-як-callable-клас","Практичний сценарій: LRU-кеш як callable-клас",[3399,11599,11600,11601,3615,11603,11606],{},"Найпоширеніший виробничий сценарій для ",[3394,11602,4266],{},[3494,11604,11605],{},"декоратори у вигляді класів",". Клас-декоратор може зберігати стан (наприклад, кеш результатів, лічильник викликів, дані авторизації) між викликами.",[3403,11608,11610],{"className":3405,"code":11609,"language":3407,"meta":3408,"style":3408},"from __future__ import annotations\nfrom collections import OrderedDict\nfrom typing import Callable, TypeVar, ParamSpec\nimport functools\n\nP = ParamSpec('P')\nR = TypeVar('R')\n\n\nclass LRUCache:\n    \"\"\"\n    Декоратор-клас: кешує результати функції з витісненням\n    найменш нещодавно використаних (Least Recently Used) записів.\n    \n    Використання:\n        @LRUCache(maxsize=128)\n        def expensive_function(x): ...\n    \"\"\"\n    \n    def __init__(self, maxsize: int = 128):\n        self.maxsize = maxsize\n        self._cache: OrderedDict = OrderedDict()\n        self._hits = 0\n        self._misses = 0\n        self._func: Callable | None = None\n    \n    def __call__(self, *args, **kwargs):\n        \"\"\"\n        Два режими роботи:\n        1. Якщо func ще не встановлено (@LRUCache(128)) → отримуємо функцію\n        2. Якщо func встановлено → виконуємо з кешуванням\n        \"\"\"\n        if self._func is None:\n            # Перший виклик: args[0] — це декорована функція\n            func = args[0]\n            self._func = func\n            functools.update_wrapper(self, func)\n            return self\n        \n        # Другий+ виклики: args — це аргументи декорованої функції\n        key = (args, tuple(sorted(kwargs.items())))\n        \n        if key in self._cache:\n            # Cache hit: переміщуємо на кінець (нещодавно використаний)\n            self._cache.move_to_end(key)\n            self._hits += 1\n            return self._cache[key]\n        \n        # Cache miss: обчислюємо результат\n        result = self._func(*args, **kwargs)\n        self._cache[key] = result\n        self._misses += 1\n        \n        # Витіснення найстарішого запису при переповненні\n        if len(self._cache) > self.maxsize:\n            self._cache.popitem(last=False)\n        \n        return result\n    \n    @property\n    def cache_info(self) -> dict:\n        return {\n            \"hits\": self._hits,\n            \"misses\": self._misses,\n            \"maxsize\": self.maxsize,\n            \"currsize\": len(self._cache),\n        }\n    \n    def cache_clear(self) -> None:\n        self._cache.clear()\n        self._hits = 0\n        self._misses = 0\n\n\n# Декорування: @LRUCache(maxsize=4) → LRUCache(4).__call__(fibonacci)\n@LRUCache(maxsize=4)\ndef fibonacci(n: int) -> int:\n    \"\"\"Класичний рекурсивний Fibonacci — без кешу дуже повільний.\"\"\"\n    if n \u003C= 1:\n        return n\n    return fibonacci(n - 1) + fibonacci(n - 2)\n\n\nprint(fibonacci(10))   # 55\nprint(fibonacci(10))   # 55 (з кешу)\nprint(fibonacci(8))    # 21\nprint(fibonacci.cache_info)\n# {'hits': ..., 'misses': ..., 'maxsize': 4, 'currsize': 4}\n",[3394,11611,11612,11622,11634,11645,11652,11656,11666,11676,11680,11684,11693,11697,11702,11707,11711,11716,11721,11726,11730,11734,11760,11767,11774,11783,11792,11806,11810,11834,11838,11843,11848,11853,11857,11873,11878,11888,11895,11905,11911,11915,11920,11934,11938,11952,11957,11964,11973,11982,11986,11991,12001,12008,12017,12021,12026,12045,12061,12065,12072,12076,12082,12099,12106,12118,12130,12142,12158,12163,12167,12184,12191,12199,12207,12211,12215,12220,12235,12258,12263,12275,12282,12299,12303,12307,12322,12335,12348,12355],{"__ignoreMap":3408},[3412,11613,11614,11616,11618,11620],{"class":3414,"line":3415},[3412,11615,4399],{"class":3978},[3412,11617,5495],{"class":4094},[3412,11619,5498],{"class":3978},[3412,11621,5501],{"class":3418},[3412,11623,11624,11626,11629,11631],{"class":3414,"line":3436},[3412,11625,4399],{"class":3978},[3412,11627,11628],{"class":3418}," collections ",[3412,11630,4405],{"class":3978},[3412,11632,11633],{"class":3418}," OrderedDict\n",[3412,11635,11636,11638,11640,11642],{"class":3414,"line":3454},[3412,11637,4399],{"class":3978},[3412,11639,9444],{"class":3418},[3412,11641,4405],{"class":3978},[3412,11643,11644],{"class":3418}," Callable, TypeVar, ParamSpec\n",[3412,11646,11647,11649],{"class":3414,"line":3703},[3412,11648,4405],{"class":3978},[3412,11650,11651],{"class":3418}," functools\n",[3412,11653,11654],{"class":3414,"line":3709},[3412,11655,3737],{"emptyLinePlaceholder":3736},[3412,11657,11658,11661,11664],{"class":3414,"line":3715},[3412,11659,11660],{"class":3418},"P = ParamSpec(",[3412,11662,11663],{"class":3442},"'P'",[3412,11665,4665],{"class":3418},[3412,11667,11668,11671,11674],{"class":3414,"line":3721},[3412,11669,11670],{"class":3418},"R = TypeVar(",[3412,11672,11673],{"class":3442},"'R'",[3412,11675,4665],{"class":3418},[3412,11677,11678],{"class":3414,"line":3727},[3412,11679,3737],{"emptyLinePlaceholder":3736},[3412,11681,11682],{"class":3414,"line":3733},[3412,11683,3737],{"emptyLinePlaceholder":3736},[3412,11685,11686,11688,11691],{"class":3414,"line":3740},[3412,11687,3966],{"class":3965},[3412,11689,11690],{"class":3969}," LRUCache",[3412,11692,3973],{"class":3418},[3412,11694,11695],{"class":3414,"line":3746},[3412,11696,9486],{"class":3442},[3412,11698,11699],{"class":3414,"line":3752},[3412,11700,11701],{"class":3442},"    Декоратор-клас: кешує результати функції з витісненням\n",[3412,11703,11704],{"class":3414,"line":3758},[3412,11705,11706],{"class":3442},"    найменш нещодавно використаних (Least Recently Used) записів.\n",[3412,11708,11709],{"class":3414,"line":3764},[3412,11710,4431],{"class":3442},[3412,11712,11713],{"class":3414,"line":3770},[3412,11714,11715],{"class":3442},"    Використання:\n",[3412,11717,11718],{"class":3414,"line":3776},[3412,11719,11720],{"class":3442},"        @LRUCache(maxsize=128)\n",[3412,11722,11723],{"class":3414,"line":3782},[3412,11724,11725],{"class":3442},"        def expensive_function(x): ...\n",[3412,11727,11728],{"class":3414,"line":3788},[3412,11729,9486],{"class":3442},[3412,11731,11732],{"class":3414,"line":3793},[3412,11733,4431],{"class":3418},[3412,11735,11736,11738,11740,11742,11744,11746,11749,11751,11753,11755,11758],{"class":3414,"line":3798},[3412,11737,4086],{"class":3965},[3412,11739,4438],{"class":4005},[3412,11741,4034],{"class":3418},[3412,11743,4095],{"class":4094},[3412,11745,3501],{"class":3418},[3412,11747,11748],{"class":4094},"maxsize",[3412,11750,4014],{"class":3418},[3412,11752,5543],{"class":3969},[3412,11754,4008],{"class":3418},[3412,11756,11757],{"class":3422},"128",[3412,11759,4098],{"class":3418},[3412,11761,11762,11764],{"class":3414,"line":3804},[3412,11763,4483],{"class":3965},[3412,11765,11766],{"class":3418},".maxsize = maxsize\n",[3412,11768,11769,11771],{"class":3414,"line":3810},[3412,11770,4483],{"class":3965},[3412,11772,11773],{"class":3418},"._cache: OrderedDict = OrderedDict()\n",[3412,11775,11776,11778,11781],{"class":3414,"line":3816},[3412,11777,4483],{"class":3965},[3412,11779,11780],{"class":3418},"._hits = ",[3412,11782,9846],{"class":3422},[3412,11784,11785,11787,11790],{"class":3414,"line":3822},[3412,11786,4483],{"class":3965},[3412,11788,11789],{"class":3418},"._misses = ",[3412,11791,9846],{"class":3422},[3412,11793,11794,11796,11799,11801,11803],{"class":3414,"line":3828},[3412,11795,4483],{"class":3965},[3412,11797,11798],{"class":3418},"._func: Callable | ",[3412,11800,4472],{"class":3965},[3412,11802,4008],{"class":3418},[3412,11804,11805],{"class":3965},"None\n",[3412,11807,11808],{"class":3414,"line":3834},[3412,11809,4431],{"class":3418},[3412,11811,11812,11814,11816,11818,11820,11823,11826,11829,11832],{"class":3414,"line":3840},[3412,11813,4086],{"class":3965},[3412,11815,11445],{"class":4005},[3412,11817,4034],{"class":3418},[3412,11819,4095],{"class":4094},[3412,11821,11822],{"class":3418},", *",[3412,11824,11825],{"class":4094},"args",[3412,11827,11828],{"class":3418},", **",[3412,11830,11831],{"class":4094},"kwargs",[3412,11833,4098],{"class":3418},[3412,11835,11836],{"class":3414,"line":3846},[3412,11837,5078],{"class":3442},[3412,11839,11840],{"class":3414,"line":3851},[3412,11841,11842],{"class":3442},"        Два режими роботи:\n",[3412,11844,11845],{"class":3414,"line":3856},[3412,11846,11847],{"class":3442},"        1. Якщо func ще не встановлено (@LRUCache(128)) → отримуємо функцію\n",[3412,11849,11850],{"class":3414,"line":3862},[3412,11851,11852],{"class":3442},"        2. Якщо func встановлено → виконуємо з кешуванням\n",[3412,11854,11855],{"class":3414,"line":3868},[3412,11856,5078],{"class":3442},[3412,11858,11859,11861,11863,11866,11868,11871],{"class":3414,"line":3874},[3412,11860,5107],{"class":3978},[3412,11862,4910],{"class":3965},[3412,11864,11865],{"class":3418},"._func ",[3412,11867,6314],{"class":3965},[3412,11869,11870],{"class":3965}," None",[3412,11872,3973],{"class":3418},[3412,11874,11875],{"class":3414,"line":3880},[3412,11876,11877],{"class":3432},"            # Перший виклик: args[0] — це декорована функція\n",[3412,11879,11880,11883,11885],{"class":3414,"line":3886},[3412,11881,11882],{"class":3418},"            func = args[",[3412,11884,6078],{"class":3422},[3412,11886,11887],{"class":3418},"]\n",[3412,11889,11890,11892],{"class":3414,"line":3892},[3412,11891,10314],{"class":3965},[3412,11893,11894],{"class":3418},"._func = func\n",[3412,11896,11897,11900,11902],{"class":3414,"line":3898},[3412,11898,11899],{"class":3418},"            functools.update_wrapper(",[3412,11901,4095],{"class":3965},[3412,11903,11904],{"class":3418},", func)\n",[3412,11906,11907,11909],{"class":3414,"line":3903},[3412,11908,5120],{"class":3978},[3412,11910,7916],{"class":3965},[3412,11912,11913],{"class":3414,"line":3909},[3412,11914,10295],{"class":3418},[3412,11916,11917],{"class":3414,"line":3915},[3412,11918,11919],{"class":3432},"        # Другий+ виклики: args — це аргументи декорованої функції\n",[3412,11921,11922,11925,11927,11929,11931],{"class":3414,"line":3921},[3412,11923,11924],{"class":3418},"        key = (args, ",[3412,11926,7466],{"class":3969},[3412,11928,4034],{"class":3418},[3412,11930,6210],{"class":4005},[3412,11932,11933],{"class":3418},"(kwargs.items())))\n",[3412,11935,11936],{"class":3414,"line":3927},[3412,11937,10295],{"class":3418},[3412,11939,11940,11942,11945,11947,11949],{"class":3414,"line":3933},[3412,11941,5107],{"class":3978},[3412,11943,11944],{"class":3418}," key ",[3412,11946,9362],{"class":3965},[3412,11948,4910],{"class":3965},[3412,11950,11951],{"class":3418},"._cache:\n",[3412,11953,11954],{"class":3414,"line":6004},[3412,11955,11956],{"class":3432},"            # Cache hit: переміщуємо на кінець (нещодавно використаний)\n",[3412,11958,11959,11961],{"class":3414,"line":6015},[3412,11960,10314],{"class":3965},[3412,11962,11963],{"class":3418},"._cache.move_to_end(key)\n",[3412,11965,11966,11968,11971],{"class":3414,"line":6022},[3412,11967,10314],{"class":3965},[3412,11969,11970],{"class":3418},"._hits += ",[3412,11972,10320],{"class":3422},[3412,11974,11975,11977,11979],{"class":3414,"line":6032},[3412,11976,5120],{"class":3978},[3412,11978,4910],{"class":3965},[3412,11980,11981],{"class":3418},"._cache[key]\n",[3412,11983,11984],{"class":3414,"line":6037},[3412,11985,10295],{"class":3418},[3412,11987,11988],{"class":3414,"line":6042},[3412,11989,11990],{"class":3432},"        # Cache miss: обчислюємо результат\n",[3412,11992,11993,11996,11998],{"class":3414,"line":6063},[3412,11994,11995],{"class":3418},"        result = ",[3412,11997,4095],{"class":3965},[3412,11999,12000],{"class":3418},"._func(*args, **kwargs)\n",[3412,12002,12003,12005],{"class":3414,"line":6083},[3412,12004,4483],{"class":3965},[3412,12006,12007],{"class":3418},"._cache[key] = result\n",[3412,12009,12010,12012,12015],{"class":3414,"line":6101},[3412,12011,4483],{"class":3965},[3412,12013,12014],{"class":3418},"._misses += ",[3412,12016,10320],{"class":3422},[3412,12018,12019],{"class":3414,"line":6106},[3412,12020,10295],{"class":3418},[3412,12022,12023],{"class":3414,"line":6117},[3412,12024,12025],{"class":3432},"        # Витіснення найстарішого запису при переповненні\n",[3412,12027,12028,12030,12033,12035,12037,12040,12042],{"class":3414,"line":6128},[3412,12029,5107],{"class":3978},[3412,12031,12032],{"class":4005}," len",[3412,12034,4034],{"class":3418},[3412,12036,4095],{"class":3965},[3412,12038,12039],{"class":3418},"._cache) > ",[3412,12041,4095],{"class":3965},[3412,12043,12044],{"class":3418},".maxsize:\n",[3412,12046,12047,12049,12052,12055,12057,12059],{"class":3414,"line":6138},[3412,12048,10314],{"class":3965},[3412,12050,12051],{"class":3418},"._cache.popitem(",[3412,12053,12054],{"class":4094},"last",[3412,12056,10504],{"class":3418},[3412,12058,6278],{"class":3965},[3412,12060,4665],{"class":3418},[3412,12062,12063],{"class":3414,"line":6148},[3412,12064,10295],{"class":3418},[3412,12066,12067,12069],{"class":3414,"line":6153},[3412,12068,4103],{"class":3978},[3412,12070,12071],{"class":3418}," result\n",[3412,12073,12074],{"class":3414,"line":6159},[3412,12075,4431],{"class":3418},[3412,12077,12078,12080],{"class":3414,"line":6203},[3412,12079,4883],{"class":4005},[3412,12081,4886],{"class":3969},[3412,12083,12084,12086,12089,12091,12093,12095,12097],{"class":3414,"line":6216},[3412,12085,4086],{"class":3965},[3412,12087,12088],{"class":4005}," cache_info",[3412,12090,4034],{"class":3418},[3412,12092,4095],{"class":4094},[3412,12094,4524],{"class":3418},[3412,12096,4206],{"class":3969},[3412,12098,3973],{"class":3418},[3412,12100,12101,12103],{"class":3414,"line":8140},[3412,12102,4103],{"class":3978},[3412,12104,12105],{"class":3418}," {\n",[3412,12107,12108,12111,12113,12115],{"class":3414,"line":8146},[3412,12109,12110],{"class":3442},"            \"hits\"",[3412,12112,4014],{"class":3418},[3412,12114,4095],{"class":3965},[3412,12116,12117],{"class":3418},"._hits,\n",[3412,12119,12120,12123,12125,12127],{"class":3414,"line":8164},[3412,12121,12122],{"class":3442},"            \"misses\"",[3412,12124,4014],{"class":3418},[3412,12126,4095],{"class":3965},[3412,12128,12129],{"class":3418},"._misses,\n",[3412,12131,12132,12135,12137,12139],{"class":3414,"line":8190},[3412,12133,12134],{"class":3442},"            \"maxsize\"",[3412,12136,4014],{"class":3418},[3412,12138,4095],{"class":3965},[3412,12140,12141],{"class":3418},".maxsize,\n",[3412,12143,12144,12147,12149,12151,12153,12155],{"class":3414,"line":8195},[3412,12145,12146],{"class":3442},"            \"currsize\"",[3412,12148,4014],{"class":3418},[3412,12150,4037],{"class":4005},[3412,12152,4034],{"class":3418},[3412,12154,4095],{"class":3965},[3412,12156,12157],{"class":3418},"._cache),\n",[3412,12159,12160],{"class":3414,"line":8201},[3412,12161,12162],{"class":3418},"        }\n",[3412,12164,12165],{"class":3414,"line":8219},[3412,12166,4431],{"class":3418},[3412,12168,12169,12171,12174,12176,12178,12180,12182],{"class":3414,"line":8240},[3412,12170,4086],{"class":3965},[3412,12172,12173],{"class":4005}," cache_clear",[3412,12175,4034],{"class":3418},[3412,12177,4095],{"class":4094},[3412,12179,4524],{"class":3418},[3412,12181,4472],{"class":3965},[3412,12183,3973],{"class":3418},[3412,12185,12186,12188],{"class":3414,"line":8245},[3412,12187,4483],{"class":3965},[3412,12189,12190],{"class":3418},"._cache.clear()\n",[3412,12192,12193,12195,12197],{"class":3414,"line":8270},[3412,12194,4483],{"class":3965},[3412,12196,11780],{"class":3418},[3412,12198,9846],{"class":3422},[3412,12200,12201,12203,12205],{"class":3414,"line":8281},[3412,12202,4483],{"class":3965},[3412,12204,11789],{"class":3418},[3412,12206,9846],{"class":3422},[3412,12208,12209],{"class":3414,"line":8288},[3412,12210,3737],{"emptyLinePlaceholder":3736},[3412,12212,12213],{"class":3414,"line":8303},[3412,12214,3737],{"emptyLinePlaceholder":3736},[3412,12216,12217],{"class":3414,"line":8308},[3412,12218,12219],{"class":3432},"# Декорування: @LRUCache(maxsize=4) → LRUCache(4).__call__(fibonacci)\n",[3412,12221,12222,12225,12227,12229,12231,12233],{"class":3414,"line":8313},[3412,12223,12224],{"class":4005},"@LRUCache",[3412,12226,4034],{"class":3418},[3412,12228,11748],{"class":4094},[3412,12230,10504],{"class":3418},[3412,12232,8343],{"class":3422},[3412,12234,4665],{"class":3418},[3412,12236,12237,12240,12243,12245,12248,12250,12252,12254,12256],{"class":3414,"line":8319},[3412,12238,12239],{"class":3965},"def",[3412,12241,12242],{"class":4005}," fibonacci",[3412,12244,4034],{"class":3418},[3412,12246,12247],{"class":4094},"n",[3412,12249,4014],{"class":3418},[3412,12251,5543],{"class":3969},[3412,12253,4524],{"class":3418},[3412,12255,5543],{"class":3969},[3412,12257,3973],{"class":3418},[3412,12259,12260],{"class":3414,"line":8333},[3412,12261,12262],{"class":3442},"    \"\"\"Класичний рекурсивний Fibonacci — без кешу дуже повільний.\"\"\"\n",[3412,12264,12265,12268,12271,12273],{"class":3414,"line":8348},[3412,12266,12267],{"class":3978},"    if",[3412,12269,12270],{"class":3418}," n \u003C= ",[3412,12272,6048],{"class":3422},[3412,12274,3973],{"class":3418},[3412,12276,12277,12279],{"class":3414,"line":8353},[3412,12278,4103],{"class":3978},[3412,12280,12281],{"class":3418}," n\n",[3412,12283,12284,12287,12290,12292,12295,12297],{"class":3414,"line":8364},[3412,12285,12286],{"class":3978},"    return",[3412,12288,12289],{"class":3418}," fibonacci(n - ",[3412,12291,6048],{"class":3422},[3412,12293,12294],{"class":3418},") + fibonacci(n - ",[3412,12296,6053],{"class":3422},[3412,12298,4665],{"class":3418},[3412,12300,12301],{"class":3414,"line":8375},[3412,12302,3737],{"emptyLinePlaceholder":3736},[3412,12304,12305],{"class":3414,"line":8392},[3412,12306,3737],{"emptyLinePlaceholder":3736},[3412,12308,12309,12311,12314,12316,12319],{"class":3414,"line":8407},[3412,12310,4031],{"class":4005},[3412,12312,12313],{"class":3418},"(fibonacci(",[3412,12315,6073],{"class":3422},[3412,12317,12318],{"class":3418},"))   ",[3412,12320,12321],{"class":3432},"# 55\n",[3412,12323,12324,12326,12328,12330,12332],{"class":3414,"line":8418},[3412,12325,4031],{"class":4005},[3412,12327,12313],{"class":3418},[3412,12329,6073],{"class":3422},[3412,12331,12318],{"class":3418},[3412,12333,12334],{"class":3432},"# 55 (з кешу)\n",[3412,12336,12337,12339,12341,12343,12345],{"class":3414,"line":8434},[3412,12338,4031],{"class":4005},[3412,12340,12313],{"class":3418},[3412,12342,3429],{"class":3422},[3412,12344,11523],{"class":3418},[3412,12346,12347],{"class":3432},"# 21\n",[3412,12349,12350,12352],{"class":3414,"line":8459},[3412,12351,4031],{"class":4005},[3412,12353,12354],{"class":3418},"(fibonacci.cache_info)\n",[3412,12356,12357],{"class":3414,"line":8473},[3412,12358,12359],{"class":3432},"# {'hits': ..., 'misses': ..., 'maxsize': 4, 'currsize': 4}\n",[5312,12361,12363,12371,12379,12386,12394],{"title":12362},"python lru_cache.py",[5316,12364,12366,5324,12369],{"className":12365},[3414],[3412,12367,5323],{"className":12368},[5322],[3494,12370,12362],{},[5316,12372,12374,12375],{"className":12373},[3414],"fibonacci(10): ",[3412,12376,12378],{"className":12377},[6238],"55",[5316,12380,12382,12383],{"className":12381},[3414],"fibonacci(10) [cache]: ",[3412,12384,12378],{"className":12385},[6238],[5316,12387,12389,12390],{"className":12388},[3414],"fibonacci(8): ",[3412,12391,12393],{"className":12392},[6238],"21",[5316,12395,12397,12398],{"className":12396},[3414],"cache_info: ",[3412,12399,12401],{"className":12400},[5350],"{'hits': 1, 'misses': 11, 'maxsize': 4, 'currsize': 4}",[3635,12403,12405,12407],{"id":12404},"__call__-та-перевірка-callable",[3394,12406,4266],{}," та перевірка callable",[3399,12409,12410,12411,6297,12414,12416,12417,12419],{},"Вбудована функція ",[3394,12412,12413],{},"callable(obj)",[3394,12415,6239],{},", якщо об'єкт має ",[3394,12418,4266],{},". Це дозволяє писати код, що однаково працює і з функціями, і з callable-класами:",[3403,12421,12423],{"className":3405,"code":12422,"language":3407,"meta":3408,"style":3408},"def apply_twice(func_or_callable, value):\n    \"\"\"Застосовує callable двічі до значення.\"\"\"\n    if not callable(func_or_callable):\n        raise TypeError(f\"Очікується callable, отримано {type(func_or_callable)}\")\n    return func_or_callable(func_or_callable(value))\n\n\n# Звичайна функція\nprint(apply_twice(lambda x: x + 1, 5))   # 7\n\n# Callable-об'єкт\ndoubler = Multiplier(2)\nprint(apply_twice(doubler, 3))            # 12  (3*2*2)\n",[3394,12424,12425,12443,12448,12460,12489,12496,12500,12504,12509,12535,12539,12544,12553],{"__ignoreMap":3408},[3412,12426,12427,12429,12432,12434,12437,12439,12441],{"class":3414,"line":3415},[3412,12428,12239],{"class":3965},[3412,12430,12431],{"class":4005}," apply_twice",[3412,12433,4034],{"class":3418},[3412,12435,12436],{"class":4094},"func_or_callable",[3412,12438,3501],{"class":3418},[3412,12440,11454],{"class":4094},[3412,12442,4098],{"class":3418},[3412,12444,12445],{"class":3414,"line":3436},[3412,12446,12447],{"class":3442},"    \"\"\"Застосовує callable двічі до значення.\"\"\"\n",[3412,12449,12450,12452,12454,12457],{"class":3414,"line":3454},[3412,12451,12267],{"class":3978},[3412,12453,5789],{"class":3965},[3412,12455,12456],{"class":4005}," callable",[3412,12458,12459],{"class":3418},"(func_or_callable):\n",[3412,12461,12462,12465,12468,12470,12472,12475,12477,12480,12483,12485,12487],{"class":3414,"line":3703},[3412,12463,12464],{"class":3978},"        raise",[3412,12466,12467],{"class":3969}," TypeError",[3412,12469,4034],{"class":3418},[3412,12471,5220],{"class":3965},[3412,12473,12474],{"class":3442},"\"Очікується callable, отримано ",[3412,12476,4678],{"class":3965},[3412,12478,12479],{"class":3969},"type",[3412,12481,12482],{"class":3418},"(func_or_callable)",[3412,12484,4684],{"class":3965},[3412,12486,5033],{"class":3442},[3412,12488,4665],{"class":3418},[3412,12490,12491,12493],{"class":3414,"line":3709},[3412,12492,12286],{"class":3978},[3412,12494,12495],{"class":3418}," func_or_callable(func_or_callable(value))\n",[3412,12497,12498],{"class":3414,"line":3715},[3412,12499,3737],{"emptyLinePlaceholder":3736},[3412,12501,12502],{"class":3414,"line":3721},[3412,12503,3737],{"emptyLinePlaceholder":3736},[3412,12505,12506],{"class":3414,"line":3727},[3412,12507,12508],{"class":3432},"# Звичайна функція\n",[3412,12510,12511,12513,12516,12518,12521,12524,12526,12528,12530,12532],{"class":3414,"line":3733},[3412,12512,4031],{"class":4005},[3412,12514,12515],{"class":3418},"(apply_twice(",[3412,12517,4011],{"class":3965},[3412,12519,12520],{"class":4094}," x",[3412,12522,12523],{"class":3418},": x + ",[3412,12525,6048],{"class":3422},[3412,12527,3501],{"class":3418},[3412,12529,4921],{"class":3422},[3412,12531,12318],{"class":3418},[3412,12533,12534],{"class":3432},"# 7\n",[3412,12536,12537],{"class":3414,"line":3740},[3412,12538,3737],{"emptyLinePlaceholder":3736},[3412,12540,12541],{"class":3414,"line":3746},[3412,12542,12543],{"class":3432},"# Callable-об'єкт\n",[3412,12545,12546,12549,12551],{"class":3414,"line":3752},[3412,12547,12548],{"class":3418},"doubler = Multiplier(",[3412,12550,6053],{"class":3422},[3412,12552,4665],{"class":3418},[3412,12554,12555,12557,12560,12562,12565],{"class":3414,"line":3758},[3412,12556,4031],{"class":4005},[3412,12558,12559],{"class":3418},"(apply_twice(doubler, ",[3412,12561,6058],{"class":3422},[3412,12563,12564],{"class":3418},"))            ",[3412,12566,12567],{"class":3432},"# 12  (3*2*2)\n",[3628,12569],{},[3389,12571,12573],{"id":12572},"частина-vii-протокол-контекстного-менеджера","Частина VII: Протокол контекстного менеджера",[3635,12575,12577,12579,12580,8712,12583],{"id":12576},"with-під-капотом-__enter__-та-__exit__",[3394,12578,3567],{}," під капотом: ",[3394,12581,12582],{},"__enter__",[3394,12584,12585],{},"__exit__",[3399,12587,4275,12588,12590],{},[3394,12589,3567],{}," — одна з найелегантніших в Python. Вона гарантує виконання коду очищення (закриття файлів, звільнення lock'ів, відкат транзакцій) навіть при виникненні виключення. За цим стоять два методи:",[4143,12592,12593,12608],{},[4146,12594,12597,12598,12600,12601,12604,12605,12607],{"name":12595,"type":12596},"__enter__(self)","() -> Any","Викликається на початку блоку ",[3394,12599,3567],{},". Повернене значення прив'язується до змінної після ",[3394,12602,12603],{},"as"," (якщо вона є). Може повертати ",[3394,12606,4095],{}," або будь-який інший об'єкт.",[4146,12609,12612,12613,12615,12616,12618,12619,12621,12622,12624],{"name":12610,"type":12611},"__exit__(self, exc_type, exc_val, exc_tb)","(type | None, Exception | None, TracebackType | None) -> bool | None","Викликається при виході з блоку ",[3394,12614,3567],{}," — завжди, навіть при виключенні. Якщо виключення сталося, отримує його тип, значення та трасування стека. Якщо повертає ",[3394,12617,6239],{}," — виключення пригнічується (не поширюється далі). Якщо ",[3394,12620,6278],{}," або ",[3394,12623,4472],{}," — виключення продовжує розповсюджуватись.",[3403,12626,12628],{"className":3405,"code":12627,"language":3407,"meta":3408,"style":3408},"# Що відбувається при виконанні:\nwith some_obj as x:\n    do_something(x)\n\n# Еквівалентно:\n_mgr = some_obj\nx = _mgr.__enter__()\n_exc = True\ntry:\n    try:\n        do_something(x)\n    except:\n        _exc = False\n        if not _mgr.__exit__(*sys.exc_info()):\n            raise\nfinally:\n    if _exc:\n        _mgr.__exit__(None, None, None)\n",[3394,12629,12630,12635,12647,12652,12656,12661,12666,12676,12684,12691,12698,12703,12710,12718,12732,12737,12744,12751],{"__ignoreMap":3408},[3412,12631,12632],{"class":3414,"line":3415},[3412,12633,12634],{"class":3432},"# Що відбувається при виконанні:\n",[3412,12636,12637,12639,12642,12644],{"class":3414,"line":3436},[3412,12638,3567],{"class":3978},[3412,12640,12641],{"class":3418}," some_obj ",[3412,12643,12603],{"class":3978},[3412,12645,12646],{"class":3418}," x:\n",[3412,12648,12649],{"class":3414,"line":3454},[3412,12650,12651],{"class":3418},"    do_something(x)\n",[3412,12653,12654],{"class":3414,"line":3703},[3412,12655,3737],{"emptyLinePlaceholder":3736},[3412,12657,12658],{"class":3414,"line":3709},[3412,12659,12660],{"class":3432},"# Еквівалентно:\n",[3412,12662,12663],{"class":3414,"line":3715},[3412,12664,12665],{"class":3418},"_mgr = some_obj\n",[3412,12667,12668,12671,12673],{"class":3414,"line":3721},[3412,12669,12670],{"class":3418},"x = _mgr.",[3412,12672,12582],{"class":4005},[3412,12674,12675],{"class":3418},"()\n",[3412,12677,12678,12681],{"class":3414,"line":3727},[3412,12679,12680],{"class":3418},"_exc = ",[3412,12682,12683],{"class":3965},"True\n",[3412,12685,12686,12689],{"class":3414,"line":3733},[3412,12687,12688],{"class":3978},"try",[3412,12690,3973],{"class":3418},[3412,12692,12693,12696],{"class":3414,"line":3740},[3412,12694,12695],{"class":3978},"    try",[3412,12697,3973],{"class":3418},[3412,12699,12700],{"class":3414,"line":3746},[3412,12701,12702],{"class":3418},"        do_something(x)\n",[3412,12704,12705,12708],{"class":3414,"line":3752},[3412,12706,12707],{"class":3978},"    except",[3412,12709,3973],{"class":3418},[3412,12711,12712,12715],{"class":3414,"line":3758},[3412,12713,12714],{"class":3418},"        _exc = ",[3412,12716,12717],{"class":3965},"False\n",[3412,12719,12720,12722,12724,12727,12729],{"class":3414,"line":3764},[3412,12721,5107],{"class":3978},[3412,12723,5789],{"class":3965},[3412,12725,12726],{"class":3418}," _mgr.",[3412,12728,12585],{"class":4005},[3412,12730,12731],{"class":3418},"(*sys.exc_info()):\n",[3412,12733,12734],{"class":3414,"line":3770},[3412,12735,12736],{"class":3978},"            raise\n",[3412,12738,12739,12742],{"class":3414,"line":3776},[3412,12740,12741],{"class":3978},"finally",[3412,12743,3973],{"class":3418},[3412,12745,12746,12748],{"class":3414,"line":3782},[3412,12747,12267],{"class":3978},[3412,12749,12750],{"class":3418}," _exc:\n",[3412,12752,12753,12756,12758,12760,12762,12764,12766,12768,12770],{"class":3414,"line":3788},[3412,12754,12755],{"class":3418},"        _mgr.",[3412,12757,12585],{"class":4005},[3412,12759,4034],{"class":3418},[3412,12761,4472],{"class":3965},[3412,12763,3501],{"class":3418},[3412,12765,4472],{"class":3965},[3412,12767,3501],{"class":3418},[3412,12769,4472],{"class":3965},[3412,12771,4665],{"class":3418},[3635,12773,12775],{"id":12774},"побудова-власного-контекстного-менеджера","Побудова власного контекстного менеджера",[3399,12777,12778,12779,12782],{},"Реалізуємо ",[3394,12780,12781],{},"ManagedTransaction"," — спрощений аналог транзакції бази даних:",[3403,12784,12786],{"className":3405,"code":12785,"language":3407,"meta":3408,"style":3408},"from __future__ import annotations\nimport logging\nfrom types import TracebackType\nfrom typing import Type\n\nlogger = logging.getLogger(__name__)\n\n\nclass ManagedTransaction:\n    \"\"\"\n    Контекстний менеджер для транзакцій бази даних.\n    \n    Використання:\n        with ManagedTransaction(connection) as tx:\n            tx.execute(\"INSERT INTO ...\")\n            tx.execute(\"UPDATE ...\")\n        # При виході без виключення — COMMIT\n        # При виключенні — автоматичний ROLLBACK\n    \"\"\"\n    \n    def __init__(self, connection):\n        self._conn = connection\n        self._operations: list[str] = []\n        self._committed = False\n    \n    def __enter__(self) -> ManagedTransaction:\n        \"\"\"\n        Починає транзакцію.\n        Повертає self — щоб блок `as tx` отримав об'єкт транзакції.\n        \"\"\"\n        logger.debug(\"Транзакція розпочата\")\n        self._conn.begin()\n        return self\n    \n    def __exit__(\n        self,\n        exc_type: Type[BaseException] | None,\n        exc_val: BaseException | None,\n        exc_tb: TracebackType | None,\n    ) -> bool:\n        \"\"\"\n        Завершує транзакцію.\n        \n        exc_type is None → виконання пройшло успішно → COMMIT\n        exc_type is not None → виникло виключення → ROLLBACK\n        \n        Повертаємо False → не пригнічуємо виключення.\n        \"\"\"\n        if exc_type is None:\n            # Нормальний вихід: зберігаємо зміни\n            self._conn.commit()\n            self._committed = True\n            logger.info(f\"Транзакція закомічена ({len(self._operations)} операцій)\")\n        else:\n            # Виключення: відкатуємо всі зміни\n            self._conn.rollback()\n            logger.error(\n                f\"Транзакція відкочена через {exc_type.__name__}: {exc_val}\"\n            )\n        \n        return False  # не пригнічуємо виключення\n    \n    def execute(self, sql: str, params: tuple = ()) -> None:\n        \"\"\"Виконує SQL-запит у рамках транзакції.\"\"\"\n        self._operations.append(sql)\n        self._conn.execute(sql, params)\n\n\n# --- Симуляція з'єднання ---\n\nclass FakeConnection:\n    def begin(self):    print(\"  [DB] BEGIN TRANSACTION\")\n    def commit(self):   print(\"  [DB] COMMIT\")\n    def rollback(self): print(\"  [DB] ROLLBACK\")\n    def execute(self, sql, params=()):\n        print(f\"  [DB] EXECUTE: {sql} | params={params}\")\n\n\nconn = FakeConnection()\n\n# Сценарій 1: успішна транзакція\nprint(\"=== Сценарій 1: успіх ===\")\nwith ManagedTransaction(conn) as tx:\n    tx.execute(\"INSERT INTO orders (user_id) VALUES (?)\", (42,))\n    tx.execute(\"UPDATE inventory SET qty = qty - 1 WHERE id = ?\", (7,))\n# → автоматичний COMMIT\n\nprint()\n\n# Сценарій 2: виключення всередині → автоматичний ROLLBACK\nprint(\"=== Сценарій 2: помилка ===\")\ntry:\n    with ManagedTransaction(conn) as tx:\n        tx.execute(\"INSERT INTO orders (user_id) VALUES (?)\", (99,))\n        raise ValueError(\"Недостатньо коштів на рахунку\")\n        tx.execute(\"UPDATE inventory SET qty = qty - 1 WHERE id = ?\", (3,))\nexcept ValueError as e:\n    print(f\"Перехоплено: {e}\")\n# → автоматичний ROLLBACK, виключення продовжило розповсюджуватись\n",[3394,12787,12788,12798,12805,12817,12828,12832,12842,12846,12850,12859,12863,12868,12872,12876,12881,12886,12891,12896,12901,12905,12909,12926,12933,12945,12954,12958,12972,12976,12981,12986,12990,13000,13007,13013,13017,13026,13033,13051,13066,13078,13087,13091,13096,13100,13105,13110,13114,13119,13123,13136,13141,13148,13156,13184,13190,13195,13202,13207,13234,13238,13242,13252,13256,13292,13297,13304,13311,13315,13319,13324,13328,13337,13360,13383,13406,13427,13458,13462,13466,13471,13475,13480,13491,13503,13519,13532,13537,13541,13547,13551,13556,13567,13573,13584,13598,13611,13623,13636,13659],{"__ignoreMap":3408},[3412,12789,12790,12792,12794,12796],{"class":3414,"line":3415},[3412,12791,4399],{"class":3978},[3412,12793,5495],{"class":4094},[3412,12795,5498],{"class":3978},[3412,12797,5501],{"class":3418},[3412,12799,12800,12802],{"class":3414,"line":3436},[3412,12801,4405],{"class":3978},[3412,12803,12804],{"class":3418}," logging\n",[3412,12806,12807,12809,12812,12814],{"class":3414,"line":3454},[3412,12808,4399],{"class":3978},[3412,12810,12811],{"class":3418}," types ",[3412,12813,4405],{"class":3978},[3412,12815,12816],{"class":3418}," TracebackType\n",[3412,12818,12819,12821,12823,12825],{"class":3414,"line":3703},[3412,12820,4399],{"class":3978},[3412,12822,9444],{"class":3418},[3412,12824,4405],{"class":3978},[3412,12826,12827],{"class":3418}," Type\n",[3412,12829,12830],{"class":3414,"line":3709},[3412,12831,3737],{"emptyLinePlaceholder":3736},[3412,12833,12834,12837,12840],{"class":3414,"line":3715},[3412,12835,12836],{"class":3418},"logger = logging.getLogger(",[3412,12838,12839],{"class":4094},"__name__",[3412,12841,4665],{"class":3418},[3412,12843,12844],{"class":3414,"line":3721},[3412,12845,3737],{"emptyLinePlaceholder":3736},[3412,12847,12848],{"class":3414,"line":3727},[3412,12849,3737],{"emptyLinePlaceholder":3736},[3412,12851,12852,12854,12857],{"class":3414,"line":3733},[3412,12853,3966],{"class":3965},[3412,12855,12856],{"class":3969}," ManagedTransaction",[3412,12858,3973],{"class":3418},[3412,12860,12861],{"class":3414,"line":3740},[3412,12862,9486],{"class":3442},[3412,12864,12865],{"class":3414,"line":3746},[3412,12866,12867],{"class":3442},"    Контекстний менеджер для транзакцій бази даних.\n",[3412,12869,12870],{"class":3414,"line":3752},[3412,12871,4431],{"class":3442},[3412,12873,12874],{"class":3414,"line":3758},[3412,12875,11715],{"class":3442},[3412,12877,12878],{"class":3414,"line":3764},[3412,12879,12880],{"class":3442},"        with ManagedTransaction(connection) as tx:\n",[3412,12882,12883],{"class":3414,"line":3770},[3412,12884,12885],{"class":3442},"            tx.execute(\"INSERT INTO ...\")\n",[3412,12887,12888],{"class":3414,"line":3776},[3412,12889,12890],{"class":3442},"            tx.execute(\"UPDATE ...\")\n",[3412,12892,12893],{"class":3414,"line":3782},[3412,12894,12895],{"class":3442},"        # При виході без виключення — COMMIT\n",[3412,12897,12898],{"class":3414,"line":3788},[3412,12899,12900],{"class":3442},"        # При виключенні — автоматичний ROLLBACK\n",[3412,12902,12903],{"class":3414,"line":3793},[3412,12904,9486],{"class":3442},[3412,12906,12907],{"class":3414,"line":3798},[3412,12908,4431],{"class":3418},[3412,12910,12911,12913,12915,12917,12919,12921,12924],{"class":3414,"line":3804},[3412,12912,4086],{"class":3965},[3412,12914,4438],{"class":4005},[3412,12916,4034],{"class":3418},[3412,12918,4095],{"class":4094},[3412,12920,3501],{"class":3418},[3412,12922,12923],{"class":4094},"connection",[3412,12925,4098],{"class":3418},[3412,12927,12928,12930],{"class":3414,"line":3810},[3412,12929,4483],{"class":3965},[3412,12931,12932],{"class":3418},"._conn = connection\n",[3412,12934,12935,12937,12940,12942],{"class":3414,"line":3816},[3412,12936,4483],{"class":3965},[3412,12938,12939],{"class":3418},"._operations: list[",[3412,12941,4452],{"class":3969},[3412,12943,12944],{"class":3418},"] = []\n",[3412,12946,12947,12949,12952],{"class":3414,"line":3822},[3412,12948,4483],{"class":3965},[3412,12950,12951],{"class":3418},"._committed = ",[3412,12953,12717],{"class":3965},[3412,12955,12956],{"class":3414,"line":3828},[3412,12957,4431],{"class":3418},[3412,12959,12960,12962,12965,12967,12969],{"class":3414,"line":3834},[3412,12961,4086],{"class":3965},[3412,12963,12964],{"class":4005}," __enter__",[3412,12966,4034],{"class":3418},[3412,12968,4095],{"class":4094},[3412,12970,12971],{"class":3418},") -> ManagedTransaction:\n",[3412,12973,12974],{"class":3414,"line":3840},[3412,12975,5078],{"class":3442},[3412,12977,12978],{"class":3414,"line":3846},[3412,12979,12980],{"class":3442},"        Починає транзакцію.\n",[3412,12982,12983],{"class":3414,"line":3851},[3412,12984,12985],{"class":3442},"        Повертає self — щоб блок `as tx` отримав об'єкт транзакції.\n",[3412,12987,12988],{"class":3414,"line":3856},[3412,12989,5078],{"class":3442},[3412,12991,12992,12995,12998],{"class":3414,"line":3862},[3412,12993,12994],{"class":3418},"        logger.debug(",[3412,12996,12997],{"class":3442},"\"Транзакція розпочата\"",[3412,12999,4665],{"class":3418},[3412,13001,13002,13004],{"class":3414,"line":3868},[3412,13003,4483],{"class":3965},[3412,13005,13006],{"class":3418},"._conn.begin()\n",[3412,13008,13009,13011],{"class":3414,"line":3874},[3412,13010,4103],{"class":3978},[3412,13012,7916],{"class":3965},[3412,13014,13015],{"class":3414,"line":3880},[3412,13016,4431],{"class":3418},[3412,13018,13019,13021,13024],{"class":3414,"line":3886},[3412,13020,4086],{"class":3965},[3412,13022,13023],{"class":4005}," __exit__",[3412,13025,9992],{"class":3418},[3412,13027,13028,13030],{"class":3414,"line":3892},[3412,13029,4483],{"class":4094},[3412,13031,13032],{"class":3418},",\n",[3412,13034,13035,13038,13041,13044,13047,13049],{"class":3414,"line":3898},[3412,13036,13037],{"class":4094},"        exc_type",[3412,13039,13040],{"class":3418},": Type[",[3412,13042,13043],{"class":3969},"BaseException",[3412,13045,13046],{"class":3418},"] | ",[3412,13048,4472],{"class":3965},[3412,13050,13032],{"class":3418},[3412,13052,13053,13056,13058,13060,13062,13064],{"class":3414,"line":3903},[3412,13054,13055],{"class":4094},"        exc_val",[3412,13057,4014],{"class":3418},[3412,13059,13043],{"class":3969},[3412,13061,4697],{"class":3418},[3412,13063,4472],{"class":3965},[3412,13065,13032],{"class":3418},[3412,13067,13068,13071,13074,13076],{"class":3414,"line":3909},[3412,13069,13070],{"class":4094},"        exc_tb",[3412,13072,13073],{"class":3418},": TracebackType | ",[3412,13075,4472],{"class":3965},[3412,13077,13032],{"class":3418},[3412,13079,13080,13083,13085],{"class":3414,"line":3915},[3412,13081,13082],{"class":3418},"    ) -> ",[3412,13084,5780],{"class":3969},[3412,13086,3973],{"class":3418},[3412,13088,13089],{"class":3414,"line":3921},[3412,13090,5078],{"class":3442},[3412,13092,13093],{"class":3414,"line":3927},[3412,13094,13095],{"class":3442},"        Завершує транзакцію.\n",[3412,13097,13098],{"class":3414,"line":3933},[3412,13099,10295],{"class":3442},[3412,13101,13102],{"class":3414,"line":6004},[3412,13103,13104],{"class":3442},"        exc_type is None → виконання пройшло успішно → COMMIT\n",[3412,13106,13107],{"class":3414,"line":6015},[3412,13108,13109],{"class":3442},"        exc_type is not None → виникло виключення → ROLLBACK\n",[3412,13111,13112],{"class":3414,"line":6022},[3412,13113,10295],{"class":3442},[3412,13115,13116],{"class":3414,"line":6032},[3412,13117,13118],{"class":3442},"        Повертаємо False → не пригнічуємо виключення.\n",[3412,13120,13121],{"class":3414,"line":6037},[3412,13122,5078],{"class":3442},[3412,13124,13125,13127,13130,13132,13134],{"class":3414,"line":6042},[3412,13126,5107],{"class":3978},[3412,13128,13129],{"class":3418}," exc_type ",[3412,13131,6314],{"class":3965},[3412,13133,11870],{"class":3965},[3412,13135,3973],{"class":3418},[3412,13137,13138],{"class":3414,"line":6063},[3412,13139,13140],{"class":3432},"            # Нормальний вихід: зберігаємо зміни\n",[3412,13142,13143,13145],{"class":3414,"line":6083},[3412,13144,10314],{"class":3965},[3412,13146,13147],{"class":3418},"._conn.commit()\n",[3412,13149,13150,13152,13154],{"class":3414,"line":6101},[3412,13151,10314],{"class":3965},[3412,13153,12951],{"class":3418},[3412,13155,12683],{"class":3965},[3412,13157,13158,13161,13163,13166,13168,13170,13172,13174,13177,13179,13182],{"class":3414,"line":6106},[3412,13159,13160],{"class":3418},"            logger.info(",[3412,13162,5220],{"class":3965},[3412,13164,13165],{"class":3442},"\"Транзакція закомічена (",[3412,13167,4678],{"class":3965},[3412,13169,4037],{"class":4005},[3412,13171,4034],{"class":3418},[3412,13173,4095],{"class":3965},[3412,13175,13176],{"class":3418},"._operations)",[3412,13178,4684],{"class":3965},[3412,13180,13181],{"class":3442}," операцій)\"",[3412,13183,4665],{"class":3418},[3412,13185,13186,13188],{"class":3414,"line":6117},[3412,13187,5170],{"class":3978},[3412,13189,3973],{"class":3418},[3412,13191,13192],{"class":3414,"line":6128},[3412,13193,13194],{"class":3432},"            # Виключення: відкатуємо всі зміни\n",[3412,13196,13197,13199],{"class":3414,"line":6138},[3412,13198,10314],{"class":3965},[3412,13200,13201],{"class":3418},"._conn.rollback()\n",[3412,13203,13204],{"class":3414,"line":6148},[3412,13205,13206],{"class":3418},"            logger.error(\n",[3412,13208,13209,13211,13214,13216,13219,13221,13223,13225,13227,13230,13232],{"class":3414,"line":6153},[3412,13210,9997],{"class":3965},[3412,13212,13213],{"class":3442},"\"Транзакція відкочена через ",[3412,13215,4678],{"class":3965},[3412,13217,13218],{"class":3418},"exc_type.",[3412,13220,12839],{"class":4094},[3412,13222,4684],{"class":3965},[3412,13224,4014],{"class":3442},[3412,13226,4678],{"class":3965},[3412,13228,13229],{"class":3418},"exc_val",[3412,13231,4684],{"class":3965},[3412,13233,4605],{"class":3442},[3412,13235,13236],{"class":3414,"line":6159},[3412,13237,10023],{"class":3418},[3412,13239,13240],{"class":3414,"line":6203},[3412,13241,10295],{"class":3418},[3412,13243,13244,13246,13249],{"class":3414,"line":6216},[3412,13245,4103],{"class":3978},[3412,13247,13248],{"class":3965}," False",[3412,13250,13251],{"class":3432},"  # не пригнічуємо виключення\n",[3412,13253,13254],{"class":3414,"line":8140},[3412,13255,4431],{"class":3418},[3412,13257,13258,13260,13263,13265,13267,13269,13272,13274,13276,13278,13281,13283,13285,13288,13290],{"class":3414,"line":8146},[3412,13259,4086],{"class":3965},[3412,13261,13262],{"class":4005}," execute",[3412,13264,4034],{"class":3418},[3412,13266,4095],{"class":4094},[3412,13268,3501],{"class":3418},[3412,13270,13271],{"class":4094},"sql",[3412,13273,4014],{"class":3418},[3412,13275,4452],{"class":3969},[3412,13277,3501],{"class":3418},[3412,13279,13280],{"class":4094},"params",[3412,13282,4014],{"class":3418},[3412,13284,7466],{"class":3969},[3412,13286,13287],{"class":3418}," = ()) -> ",[3412,13289,4472],{"class":3965},[3412,13291,3973],{"class":3418},[3412,13293,13294],{"class":3414,"line":8164},[3412,13295,13296],{"class":3442},"        \"\"\"Виконує SQL-запит у рамках транзакції.\"\"\"\n",[3412,13298,13299,13301],{"class":3414,"line":8190},[3412,13300,4483],{"class":3965},[3412,13302,13303],{"class":3418},"._operations.append(sql)\n",[3412,13305,13306,13308],{"class":3414,"line":8195},[3412,13307,4483],{"class":3965},[3412,13309,13310],{"class":3418},"._conn.execute(sql, params)\n",[3412,13312,13313],{"class":3414,"line":8201},[3412,13314,3737],{"emptyLinePlaceholder":3736},[3412,13316,13317],{"class":3414,"line":8219},[3412,13318,3737],{"emptyLinePlaceholder":3736},[3412,13320,13321],{"class":3414,"line":8240},[3412,13322,13323],{"class":3432},"# --- Симуляція з'єднання ---\n",[3412,13325,13326],{"class":3414,"line":8245},[3412,13327,3737],{"emptyLinePlaceholder":3736},[3412,13329,13330,13332,13335],{"class":3414,"line":8270},[3412,13331,3966],{"class":3965},[3412,13333,13334],{"class":3969}," FakeConnection",[3412,13336,3973],{"class":3418},[3412,13338,13339,13341,13344,13346,13348,13351,13353,13355,13358],{"class":3414,"line":8281},[3412,13340,4086],{"class":3965},[3412,13342,13343],{"class":4005}," begin",[3412,13345,4034],{"class":3418},[3412,13347,4095],{"class":4094},[3412,13349,13350],{"class":3418},"):    ",[3412,13352,4031],{"class":4005},[3412,13354,4034],{"class":3418},[3412,13356,13357],{"class":3442},"\"  [DB] BEGIN TRANSACTION\"",[3412,13359,4665],{"class":3418},[3412,13361,13362,13364,13367,13369,13371,13374,13376,13378,13381],{"class":3414,"line":8288},[3412,13363,4086],{"class":3965},[3412,13365,13366],{"class":4005}," commit",[3412,13368,4034],{"class":3418},[3412,13370,4095],{"class":4094},[3412,13372,13373],{"class":3418},"):   ",[3412,13375,4031],{"class":4005},[3412,13377,4034],{"class":3418},[3412,13379,13380],{"class":3442},"\"  [DB] COMMIT\"",[3412,13382,4665],{"class":3418},[3412,13384,13385,13387,13390,13392,13394,13397,13399,13401,13404],{"class":3414,"line":8303},[3412,13386,4086],{"class":3965},[3412,13388,13389],{"class":4005}," rollback",[3412,13391,4034],{"class":3418},[3412,13393,4095],{"class":4094},[3412,13395,13396],{"class":3418},"): ",[3412,13398,4031],{"class":4005},[3412,13400,4034],{"class":3418},[3412,13402,13403],{"class":3442},"\"  [DB] ROLLBACK\"",[3412,13405,4665],{"class":3418},[3412,13407,13408,13410,13412,13414,13416,13418,13420,13422,13424],{"class":3414,"line":8308},[3412,13409,4086],{"class":3965},[3412,13411,13262],{"class":4005},[3412,13413,4034],{"class":3418},[3412,13415,4095],{"class":4094},[3412,13417,3501],{"class":3418},[3412,13419,13271],{"class":4094},[3412,13421,3501],{"class":3418},[3412,13423,13280],{"class":4094},[3412,13425,13426],{"class":3418},"=()):\n",[3412,13428,13429,13432,13434,13436,13439,13441,13443,13445,13448,13450,13452,13454,13456],{"class":3414,"line":8313},[3412,13430,13431],{"class":4005},"        print",[3412,13433,4034],{"class":3418},[3412,13435,5220],{"class":3965},[3412,13437,13438],{"class":3442},"\"  [DB] EXECUTE: ",[3412,13440,4678],{"class":3965},[3412,13442,13271],{"class":3418},[3412,13444,4684],{"class":3965},[3412,13446,13447],{"class":3442}," | params=",[3412,13449,4678],{"class":3965},[3412,13451,13280],{"class":3418},[3412,13453,4684],{"class":3965},[3412,13455,5033],{"class":3442},[3412,13457,4665],{"class":3418},[3412,13459,13460],{"class":3414,"line":8319},[3412,13461,3737],{"emptyLinePlaceholder":3736},[3412,13463,13464],{"class":3414,"line":8333},[3412,13465,3737],{"emptyLinePlaceholder":3736},[3412,13467,13468],{"class":3414,"line":8348},[3412,13469,13470],{"class":3418},"conn = FakeConnection()\n",[3412,13472,13473],{"class":3414,"line":8353},[3412,13474,3737],{"emptyLinePlaceholder":3736},[3412,13476,13477],{"class":3414,"line":8364},[3412,13478,13479],{"class":3432},"# Сценарій 1: успішна транзакція\n",[3412,13481,13482,13484,13486,13489],{"class":3414,"line":8375},[3412,13483,4031],{"class":4005},[3412,13485,4034],{"class":3418},[3412,13487,13488],{"class":3442},"\"=== Сценарій 1: успіх ===\"",[3412,13490,4665],{"class":3418},[3412,13492,13493,13495,13498,13500],{"class":3414,"line":8392},[3412,13494,3567],{"class":3978},[3412,13496,13497],{"class":3418}," ManagedTransaction(conn) ",[3412,13499,12603],{"class":3978},[3412,13501,13502],{"class":3418}," tx:\n",[3412,13504,13505,13508,13511,13514,13516],{"class":3414,"line":8407},[3412,13506,13507],{"class":3418},"    tx.execute(",[3412,13509,13510],{"class":3442},"\"INSERT INTO orders (user_id) VALUES (?)\"",[3412,13512,13513],{"class":3418},", (",[3412,13515,3423],{"class":3422},[3412,13517,13518],{"class":3418},",))\n",[3412,13520,13521,13523,13526,13528,13530],{"class":3414,"line":8418},[3412,13522,13507],{"class":3418},[3412,13524,13525],{"class":3442},"\"UPDATE inventory SET qty = qty - 1 WHERE id = ?\"",[3412,13527,13513],{"class":3418},[3412,13529,9257],{"class":3422},[3412,13531,13518],{"class":3418},[3412,13533,13534],{"class":3414,"line":8434},[3412,13535,13536],{"class":3432},"# → автоматичний COMMIT\n",[3412,13538,13539],{"class":3414,"line":8459},[3412,13540,3737],{"emptyLinePlaceholder":3736},[3412,13542,13543,13545],{"class":3414,"line":8473},[3412,13544,4031],{"class":4005},[3412,13546,12675],{"class":3418},[3412,13548,13549],{"class":3414,"line":8478},[3412,13550,3737],{"emptyLinePlaceholder":3736},[3412,13552,13553],{"class":3414,"line":8484},[3412,13554,13555],{"class":3432},"# Сценарій 2: виключення всередині → автоматичний ROLLBACK\n",[3412,13557,13558,13560,13562,13565],{"class":3414,"line":8515},[3412,13559,4031],{"class":4005},[3412,13561,4034],{"class":3418},[3412,13563,13564],{"class":3442},"\"=== Сценарій 2: помилка ===\"",[3412,13566,4665],{"class":3418},[3412,13568,13569,13571],{"class":3414,"line":8530},[3412,13570,12688],{"class":3978},[3412,13572,3973],{"class":3418},[3412,13574,13575,13578,13580,13582],{"class":3414,"line":8541},[3412,13576,13577],{"class":3978},"    with",[3412,13579,13497],{"class":3418},[3412,13581,12603],{"class":3978},[3412,13583,13502],{"class":3418},[3412,13585,13586,13589,13591,13593,13596],{"class":3414,"line":8546},[3412,13587,13588],{"class":3418},"        tx.execute(",[3412,13590,13510],{"class":3442},[3412,13592,13513],{"class":3418},[3412,13594,13595],{"class":3422},"99",[3412,13597,13518],{"class":3418},[3412,13599,13600,13602,13604,13606,13609],{"class":3414,"line":8552},[3412,13601,12464],{"class":3978},[3412,13603,6559],{"class":3969},[3412,13605,4034],{"class":3418},[3412,13607,13608],{"class":3442},"\"Недостатньо коштів на рахунку\"",[3412,13610,4665],{"class":3418},[3412,13612,13613,13615,13617,13619,13621],{"class":3414,"line":8564},[3412,13614,13588],{"class":3418},[3412,13616,13525],{"class":3442},[3412,13618,13513],{"class":3418},[3412,13620,6058],{"class":3422},[3412,13622,13518],{"class":3418},[3412,13624,13625,13628,13630,13633],{"class":3414,"line":8578},[3412,13626,13627],{"class":3978},"except",[3412,13629,6559],{"class":3969},[3412,13631,13632],{"class":3978}," as",[3412,13634,13635],{"class":3418}," e:\n",[3412,13637,13638,13641,13643,13645,13648,13650,13653,13655,13657],{"class":3414,"line":8589},[3412,13639,13640],{"class":4005},"    print",[3412,13642,4034],{"class":3418},[3412,13644,5220],{"class":3965},[3412,13646,13647],{"class":3442},"\"Перехоплено: ",[3412,13649,4678],{"class":3965},[3412,13651,13652],{"class":3418},"e",[3412,13654,4684],{"class":3965},[3412,13656,5033],{"class":3442},[3412,13658,4665],{"class":3418},[3412,13660,13661],{"class":3414,"line":10450},[3412,13662,13663],{"class":3432},"# → автоматичний ROLLBACK, виключення продовжило розповсюджуватись\n",[5312,13665,13667,13675,13679,13687,13691,13695,13702,13705,13709,13715,13719,13726],{"title":13666},"python transaction.py",[5316,13668,13670,5324,13673],{"className":13669},[3414],[3412,13671,5323],{"className":13672},[5322],[3494,13674,13666],{},[5316,13676,13678],{"className":13677},[3414],"=== Сценарій 1: успіх ===",[5316,13680,13682,13683],{"className":13681},[3414],"  [DB] ",[3412,13684,13686],{"className":13685},[5350],"BEGIN TRANSACTION",[5316,13688,13690],{"className":13689},[3414],"  [DB] EXECUTE: INSERT INTO orders (user_id) VALUES (?) | params=(42,)",[5316,13692,13694],{"className":13693},[3414],"  [DB] EXECUTE: UPDATE inventory SET qty = qty - 1 WHERE id = ? | params=(7,)",[5316,13696,13682,13698],{"className":13697},[3414],[3412,13699,13701],{"className":13700},[6238],"COMMIT",[5316,13703],{"className":13704},[3414],[5316,13706,13708],{"className":13707},[3414],"=== Сценарій 2: помилка ===",[5316,13710,13682,13712],{"className":13711},[3414],[3412,13713,13686],{"className":13714},[5350],[5316,13716,13718],{"className":13717},[3414],"  [DB] EXECUTE: INSERT INTO orders (user_id) VALUES (?) | params=(99,)",[5316,13720,13682,13722],{"className":13721},[3414],[3412,13723,13725],{"className":13724},[8672],"ROLLBACK",[5316,13727,13729,13730],{"className":13728},[3414],"Перехоплено: ",[3412,13731,13733],{"className":13732},[8672],"Недостатньо коштів на рахунку",[3635,13735,13737,13738,6297,13740],{"id":13736},"пригнічення-виключень-коли-__exit__-повертає-true","Пригнічення виключень: коли ",[3394,13739,12585],{},[3394,13741,6239],{},[3399,13743,13744,13745,13748,13749,13751,13752,13755,13756,6865],{},"Є сценарії, де ви хочете ",[3494,13746,13747],{},"поглинути"," виключення всередині ",[3394,13750,3567],{}," — наприклад, клас ",[3394,13753,13754],{},"suppress"," з модуля ",[3394,13757,13758],{},"contextlib",[3403,13760,13762],{"className":3405,"code":13761,"language":3407,"meta":3408,"style":3408},"class Suppress:\n    \"\"\"\n    Контекстний менеджер: пригнічує вказані типи виключень.\n    Аналог contextlib.suppress з stdlib.\n    \n    Використання:\n        with Suppress(FileNotFoundError, PermissionError):\n            os.remove(\"\u002Ftmp\u002Fmaybe_exists.txt\")\n        # Якщо файл не існує — виключення просто ігнорується\n    \"\"\"\n    \n    def __init__(self, *exception_types: type[BaseException]):\n        self._types = exception_types\n    \n    def __enter__(self) -> Suppress:\n        return self\n    \n    def __exit__(\n        self,\n        exc_type: type[BaseException] | None,\n        exc_val: BaseException | None,\n        exc_tb,\n    ) -> bool:\n        # Якщо виключення є і воно одного з вказаних типів — пригнічуємо\n        if exc_type is not None and issubclass(exc_type, self._types):\n            return True   # ← True = виключення пригнічено\n        return False      # ← False = пропускаємо виключення далі\n\n\nimport os\n\nwith Suppress(FileNotFoundError):\n    os.remove(\"\u002Ftmp\u002Ffile_that_does_not_exist.txt\")\n\nprint(\"Продовжуємо роботу без зупинки\")  # виконається\n",[3394,13763,13764,13773,13777,13782,13787,13791,13795,13800,13805,13810,13814,13818,13841,13848,13852,13865,13871,13875,13883,13889,13903,13917,13923,13931,13936,13962,13972,13981,13985,13989,13996,14000,14012,14022,14026],{"__ignoreMap":3408},[3412,13765,13766,13768,13771],{"class":3414,"line":3415},[3412,13767,3966],{"class":3965},[3412,13769,13770],{"class":3969}," Suppress",[3412,13772,3973],{"class":3418},[3412,13774,13775],{"class":3414,"line":3436},[3412,13776,9486],{"class":3442},[3412,13778,13779],{"class":3414,"line":3454},[3412,13780,13781],{"class":3442},"    Контекстний менеджер: пригнічує вказані типи виключень.\n",[3412,13783,13784],{"class":3414,"line":3703},[3412,13785,13786],{"class":3442},"    Аналог contextlib.suppress з stdlib.\n",[3412,13788,13789],{"class":3414,"line":3709},[3412,13790,4431],{"class":3442},[3412,13792,13793],{"class":3414,"line":3715},[3412,13794,11715],{"class":3442},[3412,13796,13797],{"class":3414,"line":3721},[3412,13798,13799],{"class":3442},"        with Suppress(FileNotFoundError, PermissionError):\n",[3412,13801,13802],{"class":3414,"line":3727},[3412,13803,13804],{"class":3442},"            os.remove(\"\u002Ftmp\u002Fmaybe_exists.txt\")\n",[3412,13806,13807],{"class":3414,"line":3733},[3412,13808,13809],{"class":3442},"        # Якщо файл не існує — виключення просто ігнорується\n",[3412,13811,13812],{"class":3414,"line":3740},[3412,13813,9486],{"class":3442},[3412,13815,13816],{"class":3414,"line":3746},[3412,13817,4431],{"class":3418},[3412,13819,13820,13822,13824,13826,13828,13830,13833,13836,13838],{"class":3414,"line":3752},[3412,13821,4086],{"class":3965},[3412,13823,4438],{"class":4005},[3412,13825,4034],{"class":3418},[3412,13827,4095],{"class":4094},[3412,13829,11822],{"class":3418},[3412,13831,13832],{"class":4094},"exception_types",[3412,13834,13835],{"class":3418},": type[",[3412,13837,13043],{"class":3969},[3412,13839,13840],{"class":3418},"]):\n",[3412,13842,13843,13845],{"class":3414,"line":3758},[3412,13844,4483],{"class":3965},[3412,13846,13847],{"class":3418},"._types = exception_types\n",[3412,13849,13850],{"class":3414,"line":3764},[3412,13851,4431],{"class":3418},[3412,13853,13854,13856,13858,13860,13862],{"class":3414,"line":3770},[3412,13855,4086],{"class":3965},[3412,13857,12964],{"class":4005},[3412,13859,4034],{"class":3418},[3412,13861,4095],{"class":4094},[3412,13863,13864],{"class":3418},") -> Suppress:\n",[3412,13866,13867,13869],{"class":3414,"line":3776},[3412,13868,4103],{"class":3978},[3412,13870,7916],{"class":3965},[3412,13872,13873],{"class":3414,"line":3782},[3412,13874,4431],{"class":3418},[3412,13876,13877,13879,13881],{"class":3414,"line":3788},[3412,13878,4086],{"class":3965},[3412,13880,13023],{"class":4005},[3412,13882,9992],{"class":3418},[3412,13884,13885,13887],{"class":3414,"line":3793},[3412,13886,4483],{"class":4094},[3412,13888,13032],{"class":3418},[3412,13890,13891,13893,13895,13897,13899,13901],{"class":3414,"line":3798},[3412,13892,13037],{"class":4094},[3412,13894,13835],{"class":3418},[3412,13896,13043],{"class":3969},[3412,13898,13046],{"class":3418},[3412,13900,4472],{"class":3965},[3412,13902,13032],{"class":3418},[3412,13904,13905,13907,13909,13911,13913,13915],{"class":3414,"line":3804},[3412,13906,13055],{"class":4094},[3412,13908,4014],{"class":3418},[3412,13910,13043],{"class":3969},[3412,13912,4697],{"class":3418},[3412,13914,4472],{"class":3965},[3412,13916,13032],{"class":3418},[3412,13918,13919,13921],{"class":3414,"line":3810},[3412,13920,13070],{"class":4094},[3412,13922,13032],{"class":3418},[3412,13924,13925,13927,13929],{"class":3414,"line":3816},[3412,13926,13082],{"class":3418},[3412,13928,5780],{"class":3969},[3412,13930,3973],{"class":3418},[3412,13932,13933],{"class":3414,"line":3822},[3412,13934,13935],{"class":3432},"        # Якщо виключення є і воно одного з вказаних типів — пригнічуємо\n",[3412,13937,13938,13940,13942,13944,13946,13948,13951,13954,13957,13959],{"class":3414,"line":3828},[3412,13939,5107],{"class":3978},[3412,13941,13129],{"class":3418},[3412,13943,6314],{"class":3965},[3412,13945,5789],{"class":3965},[3412,13947,11870],{"class":3965},[3412,13949,13950],{"class":3965}," and",[3412,13952,13953],{"class":4005}," issubclass",[3412,13955,13956],{"class":3418},"(exc_type, ",[3412,13958,4095],{"class":3965},[3412,13960,13961],{"class":3418},"._types):\n",[3412,13963,13964,13966,13969],{"class":3414,"line":3834},[3412,13965,5120],{"class":3978},[3412,13967,13968],{"class":3965}," True",[3412,13970,13971],{"class":3432},"   # ← True = виключення пригнічено\n",[3412,13973,13974,13976,13978],{"class":3414,"line":3840},[3412,13975,4103],{"class":3978},[3412,13977,13248],{"class":3965},[3412,13979,13980],{"class":3432},"      # ← False = пропускаємо виключення далі\n",[3412,13982,13983],{"class":3414,"line":3846},[3412,13984,3737],{"emptyLinePlaceholder":3736},[3412,13986,13987],{"class":3414,"line":3851},[3412,13988,3737],{"emptyLinePlaceholder":3736},[3412,13990,13991,13993],{"class":3414,"line":3856},[3412,13992,4405],{"class":3978},[3412,13994,13995],{"class":3418}," os\n",[3412,13997,13998],{"class":3414,"line":3862},[3412,13999,3737],{"emptyLinePlaceholder":3736},[3412,14001,14002,14004,14007,14010],{"class":3414,"line":3868},[3412,14003,3567],{"class":3978},[3412,14005,14006],{"class":3418}," Suppress(",[3412,14008,14009],{"class":3969},"FileNotFoundError",[3412,14011,4098],{"class":3418},[3412,14013,14014,14017,14020],{"class":3414,"line":3874},[3412,14015,14016],{"class":3418},"    os.remove(",[3412,14018,14019],{"class":3442},"\"\u002Ftmp\u002Ffile_that_does_not_exist.txt\"",[3412,14021,4665],{"class":3418},[3412,14023,14024],{"class":3414,"line":3880},[3412,14025,3737],{"emptyLinePlaceholder":3736},[3412,14027,14028,14030,14032,14035,14037],{"class":3414,"line":3886},[3412,14029,4031],{"class":4005},[3412,14031,4034],{"class":3418},[3412,14033,14034],{"class":3442},"\"Продовжуємо роботу без зупинки\"",[3412,14036,5186],{"class":3418},[3412,14038,14039],{"class":3432},"# виконається\n",[3635,14041,14043,14046],{"id":14042},"contextlibcontextmanager-декораторний-спосіб",[3394,14044,14045],{},"contextlib.contextmanager",": декораторний спосіб",[3399,14048,14049,14050,3484,14052,14054,14055,14057],{},"Для простих випадків писати клас із ",[3394,14051,12582],{},[3394,14053,12585],{}," — зайво. ",[3394,14056,14045],{}," дозволяє створити контекстний менеджер з генераторної функції:",[3403,14059,14061],{"className":3405,"code":14060,"language":3407,"meta":3408,"style":3408},"from contextlib import contextmanager\nimport time\n\n@contextmanager\ndef timer(label: str):\n    \"\"\"\n    Контекстний менеджер для вимірювання часу виконання блоку.\n    \n    yield розділяє __enter__ (код до yield) та __exit__ (код після yield).\n    Значення після yield — це те, що прив'язується до 'as'.\n    \"\"\"\n    start = time.perf_counter()\n    results = {}\n    try:\n        yield results          # __enter__: передаємо словник для результатів\n    finally:\n        elapsed = time.perf_counter() - start\n        results['elapsed'] = elapsed\n        print(f\"[{label}] виконано за {elapsed:.4f}с\")\n\n\nwith timer(\"Сортування\") as info:\n    data = list(range(100_000, 0, -1))\n    data.sort()\n\nprint(f\"Деталі: {info}\")\n# [Сортування] виконано за 0.0089с\n# Деталі: {'elapsed': 0.0089...}\n",[3394,14062,14063,14075,14082,14086,14091,14109,14113,14118,14122,14127,14132,14136,14141,14146,14152,14163,14170,14175,14186,14218,14222,14226,14244,14272,14277,14281,14303,14308],{"__ignoreMap":3408},[3412,14064,14065,14067,14070,14072],{"class":3414,"line":3415},[3412,14066,4399],{"class":3978},[3412,14068,14069],{"class":3418}," contextlib ",[3412,14071,4405],{"class":3978},[3412,14073,14074],{"class":3418}," contextmanager\n",[3412,14076,14077,14079],{"class":3414,"line":3436},[3412,14078,4405],{"class":3978},[3412,14080,14081],{"class":3418}," time\n",[3412,14083,14084],{"class":3414,"line":3454},[3412,14085,3737],{"emptyLinePlaceholder":3736},[3412,14087,14088],{"class":3414,"line":3703},[3412,14089,14090],{"class":4005},"@contextmanager\n",[3412,14092,14093,14095,14098,14100,14103,14105,14107],{"class":3414,"line":3709},[3412,14094,12239],{"class":3965},[3412,14096,14097],{"class":4005}," timer",[3412,14099,4034],{"class":3418},[3412,14101,14102],{"class":4094},"label",[3412,14104,4014],{"class":3418},[3412,14106,4452],{"class":3969},[3412,14108,4098],{"class":3418},[3412,14110,14111],{"class":3414,"line":3715},[3412,14112,9486],{"class":3442},[3412,14114,14115],{"class":3414,"line":3721},[3412,14116,14117],{"class":3442},"    Контекстний менеджер для вимірювання часу виконання блоку.\n",[3412,14119,14120],{"class":3414,"line":3727},[3412,14121,4431],{"class":3442},[3412,14123,14124],{"class":3414,"line":3733},[3412,14125,14126],{"class":3442},"    yield розділяє __enter__ (код до yield) та __exit__ (код після yield).\n",[3412,14128,14129],{"class":3414,"line":3740},[3412,14130,14131],{"class":3442},"    Значення після yield — це те, що прив'язується до 'as'.\n",[3412,14133,14134],{"class":3414,"line":3746},[3412,14135,9486],{"class":3442},[3412,14137,14138],{"class":3414,"line":3752},[3412,14139,14140],{"class":3418},"    start = time.perf_counter()\n",[3412,14142,14143],{"class":3414,"line":3758},[3412,14144,14145],{"class":3418},"    results = {}\n",[3412,14147,14148,14150],{"class":3414,"line":3764},[3412,14149,12695],{"class":3978},[3412,14151,3973],{"class":3418},[3412,14153,14154,14157,14160],{"class":3414,"line":3770},[3412,14155,14156],{"class":3978},"        yield",[3412,14158,14159],{"class":3418}," results          ",[3412,14161,14162],{"class":3432},"# __enter__: передаємо словник для результатів\n",[3412,14164,14165,14168],{"class":3414,"line":3776},[3412,14166,14167],{"class":3978},"    finally",[3412,14169,3973],{"class":3418},[3412,14171,14172],{"class":3414,"line":3782},[3412,14173,14174],{"class":3418},"        elapsed = time.perf_counter() - start\n",[3412,14176,14177,14180,14183],{"class":3414,"line":3788},[3412,14178,14179],{"class":3418},"        results[",[3412,14181,14182],{"class":3442},"'elapsed'",[3412,14184,14185],{"class":3418},"] = elapsed\n",[3412,14187,14188,14190,14192,14194,14196,14198,14200,14202,14205,14207,14210,14213,14216],{"class":3414,"line":3793},[3412,14189,13431],{"class":4005},[3412,14191,4034],{"class":3418},[3412,14193,5220],{"class":3965},[3412,14195,4675],{"class":3442},[3412,14197,4678],{"class":3965},[3412,14199,14102],{"class":3418},[3412,14201,4684],{"class":3965},[3412,14203,14204],{"class":3442},"] виконано за ",[3412,14206,4678],{"class":3965},[3412,14208,14209],{"class":3418},"elapsed",[3412,14211,14212],{"class":3965},":.4f}",[3412,14214,14215],{"class":3442},"с\"",[3412,14217,4665],{"class":3418},[3412,14219,14220],{"class":3414,"line":3798},[3412,14221,3737],{"emptyLinePlaceholder":3736},[3412,14223,14224],{"class":3414,"line":3804},[3412,14225,3737],{"emptyLinePlaceholder":3736},[3412,14227,14228,14230,14233,14236,14239,14241],{"class":3414,"line":3810},[3412,14229,3567],{"class":3978},[3412,14231,14232],{"class":3418}," timer(",[3412,14234,14235],{"class":3442},"\"Сортування\"",[3412,14237,14238],{"class":3418},") ",[3412,14240,12603],{"class":3978},[3412,14242,14243],{"class":3418}," info:\n",[3412,14245,14246,14249,14251,14253,14256,14258,14261,14263,14265,14267,14269],{"class":3414,"line":3816},[3412,14247,14248],{"class":3418},"    data = ",[3412,14250,7462],{"class":3969},[3412,14252,4034],{"class":3418},[3412,14254,14255],{"class":4005},"range",[3412,14257,4034],{"class":3418},[3412,14259,14260],{"class":3422},"100_000",[3412,14262,3501],{"class":3418},[3412,14264,6078],{"class":3422},[3412,14266,10178],{"class":3418},[3412,14268,6048],{"class":3422},[3412,14270,14271],{"class":3418},"))\n",[3412,14273,14274],{"class":3414,"line":3822},[3412,14275,14276],{"class":3418},"    data.sort()\n",[3412,14278,14279],{"class":3414,"line":3828},[3412,14280,3737],{"emptyLinePlaceholder":3736},[3412,14282,14283,14285,14287,14289,14292,14294,14297,14299,14301],{"class":3414,"line":3834},[3412,14284,4031],{"class":4005},[3412,14286,4034],{"class":3418},[3412,14288,5220],{"class":3965},[3412,14290,14291],{"class":3442},"\"Деталі: ",[3412,14293,4678],{"class":3965},[3412,14295,14296],{"class":3418},"info",[3412,14298,4684],{"class":3965},[3412,14300,5033],{"class":3442},[3412,14302,4665],{"class":3418},[3412,14304,14305],{"class":3414,"line":3840},[3412,14306,14307],{"class":3432},"# [Сортування] виконано за 0.0089с\n",[3412,14309,14310],{"class":3414,"line":3846},[3412,14311,14312],{"class":3432},"# Деталі: {'elapsed': 0.0089...}\n",[4789,14314,14315,14316,5324,14319,7449,14321,14324,14325,14327,14328,5324,14331,14333,14334,14336,14337,14340,14341,14343,14344,14346],{},"Код ",[3494,14317,14318],{},"до",[3394,14320,10894],{},[3394,14322,14323],{},"contextmanager","-генераторі виконується як ",[3394,14326,12582],{},". Код ",[3494,14329,14330],{},"після",[3394,14332,10894],{}," — як ",[3394,14335,12585],{},". Блок ",[3394,14338,14339],{},"try\u002Ffinally"," навколо ",[3394,14342,10894],{}," гарантує виконання коду очищення навіть при виключенні всередині ",[3394,14345,3567],{},"-блоку.",[3628,14348],{},[3389,14350,14352],{"id":14351},"частина-viii-протокол-атрибутів","Частина VIII: Протокол атрибутів",[3635,14354,14356],{"id":14355},"перехоплення-доступу-до-атрибутів","Перехоплення доступу до атрибутів",[3399,14358,14359],{},"Python надає чотири методи для перехоплення операцій з атрибутами:",[4143,14361,14362,14375,14386,14402],{},[4146,14363,14366,14367,14370,14371,14374],{"name":14364,"type":14365},"__getattribute__(self, name: str)","Перехоплення БУДЬ-ЯКОГО читання","Викликається при кожному зверненні до атрибута: ",[3394,14368,14369],{},"obj.attr",". Перехоплює навіть атрибути, що існують. Перевизначення вимагає обережності — необхідно звертатись до ",[3394,14372,14373],{},"super().__getattribute__(name)",", щоб не потрапити у нескінченну рекурсію. Використовується рідко.",[4146,14376,9301,14379,14382,14383,14385],{"name":14377,"type":14378},"__getattr__(self, name: str)","Перехоплення ВІДСУТНЬОГО атрибута",[3494,14380,14381],{},"лише"," якщо атрибут не знайдено стандартним способом (не в ",[3394,14384,3950],{}," та не в класі). Ідеальний для lazy-завантаження, проксі-об'єктів та динамічних API.",[4146,14387,14390,14391,14394,14395,12621,14398,14401],{"name":14388,"type":14389},"__setattr__(self, name: str, value)","Перехоплення запису","Викликається при кожному ",[3394,14392,14393],{},"obj.attr = value",". Для збереження значення потрібно звертатись до ",[3394,14396,14397],{},"object.__setattr__(self, name, value)",[3394,14399,14400],{},"self.__dict__[name] = value",", щоб уникнути рекурсії.",[4146,14403,14406,14407,3546],{"name":14404,"type":14405},"__delattr__(self, name: str)","Перехоплення видалення","Викликається при ",[3394,14408,14409],{},"del obj.attr",[3635,14411,14413],{"id":14412},"практичний-сценарій-frozen-обєкт-незмінний-після-ініціалізації","Практичний сценарій: Frozen об'єкт (незмінний після ініціалізації)",[3403,14415,14417],{"className":3405,"code":14416,"language":3407,"meta":3408,"style":3408},"class FrozenObject:\n    \"\"\"\n    Об'єкт, атрибути якого можна встановити лише в __init__.\n    Після завершення ініціалізації будь-яка спроба змінити\n    або додати атрибут піднімає AttributeError.\n    \n    Досягається перехопленням __setattr__.\n    \"\"\"\n    \n    _is_initialized = False  # атрибут класу — не блокується __setattr__\n    \n    def __init__(self, **kwargs):\n        # Тимчасово дозволяємо запис для ініціалізації\n        for key, value in kwargs.items():\n            # Звертаємось до базового __setattr__ щоб уникнути рекурсії\n            object.__setattr__(self, key, value)\n        # Позначаємо: ініціалізація завершена\n        object.__setattr__(self, '_is_initialized', True)\n    \n    def __setattr__(self, name: str, value) -> None:\n        if self._is_initialized:\n            raise AttributeError(\n                f\"Об'єкт {type(self).__name__!r} є незмінним. \"\n                f\"Неможливо встановити '{name}'\"\n            )\n        object.__setattr__(self, name, value)\n    \n    def __delattr__(self, name: str) -> None:\n        raise AttributeError(\n            f\"Об'єкт {type(self).__name__!r} є незмінним. \"\n            f\"Неможливо видалити '{name}'\"\n        )\n    \n    def __repr__(self) -> str:\n        attrs = {k: v for k, v in self.__dict__.items() if not k.startswith('_')}\n        params = ', '.join(f\"{k}={v!r}\" for k, v in attrs.items())\n        return f\"{type(self).__name__}({params})\"\n\n\nconfig = FrozenObject(host=\"localhost\", port=5432, db=\"myapp\")\nprint(config)           # FrozenObject(host='localhost', port=5432, db='myapp')\nprint(config.host)      # localhost\n\ntry:\n    config.host = \"production.db\"   # AttributeError!\nexcept AttributeError as e:\n    print(f\"Помилка: {e}\")\n\ntry:\n    config.new_field = \"oops\"       # AttributeError!\nexcept AttributeError as e:\n    print(f\"Помилка: {e}\")\n",[3394,14418,14419,14428,14432,14437,14442,14447,14451,14456,14460,14464,14474,14478,14494,14499,14511,14516,14533,14538,14562,14566,14596,14605,14614,14638,14654,14658,14673,14677,14702,14710,14732,14747,14751,14755,14771,14806,14846,14878,14882,14886,14921,14931,14941,14945,14951,14962,14972,14993,14997,15003,15014,15024],{"__ignoreMap":3408},[3412,14420,14421,14423,14426],{"class":3414,"line":3415},[3412,14422,3966],{"class":3965},[3412,14424,14425],{"class":3969}," FrozenObject",[3412,14427,3973],{"class":3418},[3412,14429,14430],{"class":3414,"line":3436},[3412,14431,9486],{"class":3442},[3412,14433,14434],{"class":3414,"line":3454},[3412,14435,14436],{"class":3442},"    Об'єкт, атрибути якого можна встановити лише в __init__.\n",[3412,14438,14439],{"class":3414,"line":3703},[3412,14440,14441],{"class":3442},"    Після завершення ініціалізації будь-яка спроба змінити\n",[3412,14443,14444],{"class":3414,"line":3709},[3412,14445,14446],{"class":3442},"    або додати атрибут піднімає AttributeError.\n",[3412,14448,14449],{"class":3414,"line":3715},[3412,14450,4431],{"class":3442},[3412,14452,14453],{"class":3414,"line":3721},[3412,14454,14455],{"class":3442},"    Досягається перехопленням __setattr__.\n",[3412,14457,14458],{"class":3414,"line":3727},[3412,14459,9486],{"class":3442},[3412,14461,14462],{"class":3414,"line":3733},[3412,14463,4431],{"class":3418},[3412,14465,14466,14469,14471],{"class":3414,"line":3740},[3412,14467,14468],{"class":3418},"    _is_initialized = ",[3412,14470,6278],{"class":3965},[3412,14472,14473],{"class":3432},"  # атрибут класу — не блокується __setattr__\n",[3412,14475,14476],{"class":3414,"line":3746},[3412,14477,4431],{"class":3418},[3412,14479,14480,14482,14484,14486,14488,14490,14492],{"class":3414,"line":3752},[3412,14481,4086],{"class":3965},[3412,14483,4438],{"class":4005},[3412,14485,4034],{"class":3418},[3412,14487,4095],{"class":4094},[3412,14489,11828],{"class":3418},[3412,14491,11831],{"class":4094},[3412,14493,4098],{"class":3418},[3412,14495,14496],{"class":3414,"line":3758},[3412,14497,14498],{"class":3432},"        # Тимчасово дозволяємо запис для ініціалізації\n",[3412,14500,14501,14503,14506,14508],{"class":3414,"line":3764},[3412,14502,9886],{"class":3978},[3412,14504,14505],{"class":3418}," key, value ",[3412,14507,9362],{"class":3978},[3412,14509,14510],{"class":3418}," kwargs.items():\n",[3412,14512,14513],{"class":3414,"line":3770},[3412,14514,14515],{"class":3432},"            # Звертаємось до базового __setattr__ щоб уникнути рекурсії\n",[3412,14517,14518,14521,14523,14526,14528,14530],{"class":3414,"line":3776},[3412,14519,14520],{"class":3969},"            object",[3412,14522,3546],{"class":3418},[3412,14524,14525],{"class":4005},"__setattr__",[3412,14527,4034],{"class":3418},[3412,14529,4095],{"class":3965},[3412,14531,14532],{"class":3418},", key, value)\n",[3412,14534,14535],{"class":3414,"line":3782},[3412,14536,14537],{"class":3432},"        # Позначаємо: ініціалізація завершена\n",[3412,14539,14540,14543,14545,14547,14549,14551,14553,14556,14558,14560],{"class":3414,"line":3788},[3412,14541,14542],{"class":3969},"        object",[3412,14544,3546],{"class":3418},[3412,14546,14525],{"class":4005},[3412,14548,4034],{"class":3418},[3412,14550,4095],{"class":3965},[3412,14552,3501],{"class":3418},[3412,14554,14555],{"class":3442},"'_is_initialized'",[3412,14557,3501],{"class":3418},[3412,14559,6239],{"class":3965},[3412,14561,4665],{"class":3418},[3412,14563,14564],{"class":3414,"line":3793},[3412,14565,4431],{"class":3418},[3412,14567,14568,14570,14573,14575,14577,14579,14582,14584,14586,14588,14590,14592,14594],{"class":3414,"line":3798},[3412,14569,4086],{"class":3965},[3412,14571,14572],{"class":4005}," __setattr__",[3412,14574,4034],{"class":3418},[3412,14576,4095],{"class":4094},[3412,14578,3501],{"class":3418},[3412,14580,14581],{"class":4094},"name",[3412,14583,4014],{"class":3418},[3412,14585,4452],{"class":3969},[3412,14587,3501],{"class":3418},[3412,14589,11454],{"class":4094},[3412,14591,4524],{"class":3418},[3412,14593,4472],{"class":3965},[3412,14595,3973],{"class":3418},[3412,14597,14598,14600,14602],{"class":3414,"line":3804},[3412,14599,5107],{"class":3978},[3412,14601,4910],{"class":3965},[3412,14603,14604],{"class":3418},"._is_initialized:\n",[3412,14606,14607,14609,14612],{"class":3414,"line":3810},[3412,14608,6556],{"class":3978},[3412,14610,14611],{"class":3969}," AttributeError",[3412,14613,9992],{"class":3418},[3412,14615,14616,14618,14621,14623,14625,14627,14629,14631,14633,14635],{"class":3414,"line":3816},[3412,14617,9997],{"class":3965},[3412,14619,14620],{"class":3442},"\"Об'єкт ",[3412,14622,4678],{"class":3965},[3412,14624,12479],{"class":3969},[3412,14626,4034],{"class":3418},[3412,14628,4095],{"class":3965},[3412,14630,4065],{"class":3418},[3412,14632,12839],{"class":4094},[3412,14634,4569],{"class":3965},[3412,14636,14637],{"class":3442}," є незмінним. \"\n",[3412,14639,14640,14642,14645,14647,14649,14651],{"class":3414,"line":3822},[3412,14641,9997],{"class":3965},[3412,14643,14644],{"class":3442},"\"Неможливо встановити '",[3412,14646,4678],{"class":3965},[3412,14648,14581],{"class":3418},[3412,14650,4684],{"class":3965},[3412,14652,14653],{"class":3442},"'\"\n",[3412,14655,14656],{"class":3414,"line":3828},[3412,14657,10023],{"class":3418},[3412,14659,14660,14662,14664,14666,14668,14670],{"class":3414,"line":3834},[3412,14661,14542],{"class":3969},[3412,14663,3546],{"class":3418},[3412,14665,14525],{"class":4005},[3412,14667,4034],{"class":3418},[3412,14669,4095],{"class":3965},[3412,14671,14672],{"class":3418},", name, value)\n",[3412,14674,14675],{"class":3414,"line":3840},[3412,14676,4431],{"class":3418},[3412,14678,14679,14681,14684,14686,14688,14690,14692,14694,14696,14698,14700],{"class":3414,"line":3846},[3412,14680,4086],{"class":3965},[3412,14682,14683],{"class":4005}," __delattr__",[3412,14685,4034],{"class":3418},[3412,14687,4095],{"class":4094},[3412,14689,3501],{"class":3418},[3412,14691,14581],{"class":4094},[3412,14693,4014],{"class":3418},[3412,14695,4452],{"class":3969},[3412,14697,4524],{"class":3418},[3412,14699,4472],{"class":3965},[3412,14701,3973],{"class":3418},[3412,14703,14704,14706,14708],{"class":3414,"line":3851},[3412,14705,12464],{"class":3978},[3412,14707,14611],{"class":3969},[3412,14709,9992],{"class":3418},[3412,14711,14712,14714,14716,14718,14720,14722,14724,14726,14728,14730],{"class":3414,"line":3856},[3412,14713,4550],{"class":3965},[3412,14715,14620],{"class":3442},[3412,14717,4678],{"class":3965},[3412,14719,12479],{"class":3969},[3412,14721,4034],{"class":3418},[3412,14723,4095],{"class":3965},[3412,14725,4065],{"class":3418},[3412,14727,12839],{"class":4094},[3412,14729,4569],{"class":3965},[3412,14731,14637],{"class":3442},[3412,14733,14734,14736,14739,14741,14743,14745],{"class":3414,"line":3862},[3412,14735,4550],{"class":3965},[3412,14737,14738],{"class":3442},"\"Неможливо видалити '",[3412,14740,4678],{"class":3965},[3412,14742,14581],{"class":3418},[3412,14744,4684],{"class":3965},[3412,14746,14653],{"class":3442},[3412,14748,14749],{"class":3414,"line":3868},[3412,14750,4617],{"class":3418},[3412,14752,14753],{"class":3414,"line":3874},[3412,14754,4431],{"class":3418},[3412,14756,14757,14759,14761,14763,14765,14767,14769],{"class":3414,"line":3880},[3412,14758,4086],{"class":3965},[3412,14760,4517],{"class":4005},[3412,14762,4034],{"class":3418},[3412,14764,4095],{"class":4094},[3412,14766,4524],{"class":3418},[3412,14768,4452],{"class":3969},[3412,14770,3973],{"class":3418},[3412,14772,14773,14776,14778,14781,14783,14785,14787,14789,14792,14795,14797,14800,14803],{"class":3414,"line":3886},[3412,14774,14775],{"class":3418},"        attrs = {k: v ",[3412,14777,9753],{"class":3978},[3412,14779,14780],{"class":3418}," k, v ",[3412,14782,9362],{"class":3978},[3412,14784,4910],{"class":3965},[3412,14786,3546],{"class":3418},[3412,14788,3950],{"class":4094},[3412,14790,14791],{"class":3418},".items() ",[3412,14793,14794],{"class":3978},"if",[3412,14796,5789],{"class":3965},[3412,14798,14799],{"class":3418}," k.startswith(",[3412,14801,14802],{"class":3442},"'_'",[3412,14804,14805],{"class":3418},")}\n",[3412,14807,14808,14811,14813,14815,14817,14819,14821,14824,14826,14828,14830,14833,14835,14837,14839,14841,14843],{"class":3414,"line":3892},[3412,14809,14810],{"class":3418},"        params = ",[3412,14812,9742],{"class":3442},[3412,14814,9745],{"class":3418},[3412,14816,5220],{"class":3965},[3412,14818,5033],{"class":3442},[3412,14820,4678],{"class":3965},[3412,14822,14823],{"class":3418},"k",[3412,14825,4684],{"class":3965},[3412,14827,10504],{"class":3442},[3412,14829,4678],{"class":3965},[3412,14831,14832],{"class":3418},"v",[3412,14834,4569],{"class":3965},[3412,14836,5033],{"class":3442},[3412,14838,10727],{"class":3978},[3412,14840,14780],{"class":3418},[3412,14842,9362],{"class":3978},[3412,14844,14845],{"class":3418}," attrs.items())\n",[3412,14847,14848,14850,14852,14854,14856,14858,14860,14862,14864,14866,14868,14870,14872,14874,14876],{"class":3414,"line":3898},[3412,14849,4103],{"class":3978},[3412,14851,4672],{"class":3965},[3412,14853,5033],{"class":3442},[3412,14855,4678],{"class":3965},[3412,14857,12479],{"class":3969},[3412,14859,4034],{"class":3418},[3412,14861,4095],{"class":3965},[3412,14863,4065],{"class":3418},[3412,14865,12839],{"class":4094},[3412,14867,4684],{"class":3965},[3412,14869,4034],{"class":3442},[3412,14871,4678],{"class":3965},[3412,14873,13280],{"class":3418},[3412,14875,4684],{"class":3965},[3412,14877,5004],{"class":3442},[3412,14879,14880],{"class":3414,"line":3903},[3412,14881,3737],{"emptyLinePlaceholder":3736},[3412,14883,14884],{"class":3414,"line":3909},[3412,14885,3737],{"emptyLinePlaceholder":3736},[3412,14887,14888,14891,14894,14896,14899,14901,14904,14906,14909,14911,14914,14916,14919],{"class":3414,"line":3915},[3412,14889,14890],{"class":3418},"config = FrozenObject(",[3412,14892,14893],{"class":4094},"host",[3412,14895,10504],{"class":3418},[3412,14897,14898],{"class":3442},"\"localhost\"",[3412,14900,3501],{"class":3418},[3412,14902,14903],{"class":4094},"port",[3412,14905,10504],{"class":3418},[3412,14907,14908],{"class":3422},"5432",[3412,14910,3501],{"class":3418},[3412,14912,14913],{"class":4094},"db",[3412,14915,10504],{"class":3418},[3412,14917,14918],{"class":3442},"\"myapp\"",[3412,14920,4665],{"class":3418},[3412,14922,14923,14925,14928],{"class":3414,"line":3921},[3412,14924,4031],{"class":4005},[3412,14926,14927],{"class":3418},"(config)           ",[3412,14929,14930],{"class":3432},"# FrozenObject(host='localhost', port=5432, db='myapp')\n",[3412,14932,14933,14935,14938],{"class":3414,"line":3927},[3412,14934,4031],{"class":4005},[3412,14936,14937],{"class":3418},"(config.host)      ",[3412,14939,14940],{"class":3432},"# localhost\n",[3412,14942,14943],{"class":3414,"line":3933},[3412,14944,3737],{"emptyLinePlaceholder":3736},[3412,14946,14947,14949],{"class":3414,"line":6004},[3412,14948,12688],{"class":3978},[3412,14950,3973],{"class":3418},[3412,14952,14953,14956,14959],{"class":3414,"line":6015},[3412,14954,14955],{"class":3418},"    config.host = ",[3412,14957,14958],{"class":3442},"\"production.db\"",[3412,14960,14961],{"class":3432},"   # AttributeError!\n",[3412,14963,14964,14966,14968,14970],{"class":3414,"line":6022},[3412,14965,13627],{"class":3978},[3412,14967,14611],{"class":3969},[3412,14969,13632],{"class":3978},[3412,14971,13635],{"class":3418},[3412,14973,14974,14976,14978,14980,14983,14985,14987,14989,14991],{"class":3414,"line":6032},[3412,14975,13640],{"class":4005},[3412,14977,4034],{"class":3418},[3412,14979,5220],{"class":3965},[3412,14981,14982],{"class":3442},"\"Помилка: ",[3412,14984,4678],{"class":3965},[3412,14986,13652],{"class":3418},[3412,14988,4684],{"class":3965},[3412,14990,5033],{"class":3442},[3412,14992,4665],{"class":3418},[3412,14994,14995],{"class":3414,"line":6037},[3412,14996,3737],{"emptyLinePlaceholder":3736},[3412,14998,14999,15001],{"class":3414,"line":6042},[3412,15000,12688],{"class":3978},[3412,15002,3973],{"class":3418},[3412,15004,15005,15008,15011],{"class":3414,"line":6063},[3412,15006,15007],{"class":3418},"    config.new_field = ",[3412,15009,15010],{"class":3442},"\"oops\"",[3412,15012,15013],{"class":3432},"       # AttributeError!\n",[3412,15015,15016,15018,15020,15022],{"class":3414,"line":6083},[3412,15017,13627],{"class":3978},[3412,15019,14611],{"class":3969},[3412,15021,13632],{"class":3978},[3412,15023,13635],{"class":3418},[3412,15025,15026,15028,15030,15032,15034,15036,15038,15040,15042],{"class":3414,"line":6101},[3412,15027,13640],{"class":4005},[3412,15029,4034],{"class":3418},[3412,15031,5220],{"class":3965},[3412,15033,14982],{"class":3442},[3412,15035,4678],{"class":3965},[3412,15037,13652],{"class":3418},[3412,15039,4684],{"class":3965},[3412,15041,5033],{"class":3442},[3412,15043,4665],{"class":3418},[5312,15045,15047,15055,15064,15072,15080],{"title":15046},"python frozen.py",[5316,15048,15050,5324,15053],{"className":15049},[3414],[3412,15051,5323],{"className":15052},[5322],[3494,15054,15046],{},[5316,15056,15058,15059,15063],{"className":15057},[3414],"FrozenObject(",[3412,15060,15062],{"className":15061},[5350],"host='localhost', port=5432, db='myapp'",")",[5316,15065,15067,15068],{"className":15066},[3414],"config.host: ",[3412,15069,15071],{"className":15070},[6238],"localhost",[5316,15073,15075,15076],{"className":15074},[3414],"Помилка: ",[3412,15077,15079],{"className":15078},[8672],"Об'єкт 'FrozenObject' є незмінним. Неможливо встановити 'host'",[5316,15081,15075,15083],{"className":15082},[3414],[3412,15084,15086],{"className":15085},[8672],"Об'єкт 'FrozenObject' є незмінним. Неможливо встановити 'new_field'",[3635,15088,15090,15093],{"id":15089},"__getattr__-для-динамічних-проксі",[3394,15091,15092],{},"__getattr__"," для динамічних проксі",[3399,15095,15096,15098],{},[3394,15097,15092],{}," є ідеальним для побудови проксі-об'єктів та динамічних делегаторів:",[3403,15100,15102],{"className":3405,"code":15101,"language":3407,"meta":3408,"style":3408},"class LazyLoader:\n    \"\"\"\n    Проксі-об'єкт, що ліниво завантажує важкі атрибути\n    лише при першому зверненні до них.\n    \"\"\"\n    \n    def __init__(self):\n        self._cache: dict = {}\n    \n    def __getattr__(self, name: str):\n        # Цей метод викликається ЛИШЕ якщо 'name' не знайдено звичайним шляхом\n        if name in self._cache:\n            return self._cache[name]\n        \n        # Симуляція важкого обчислення\n        print(f\"[LazyLoader] Завантаження '{name}'...\")\n        import time; time.sleep(0.01)  # у реальності: читання файлу, запит до БД\n        \n        value = f\"\u003Cзначення для {name}>\"\n        self._cache[name] = value\n        # Зберігаємо в __dict__, щоб наступного разу __getattr__ не викликався\n        object.__setattr__(self, name, value)\n        return value\n\n\nloader = LazyLoader()\nprint(loader.config)    # [LazyLoader] Завантаження 'config'...  → \u003Cзначення для config>\nprint(loader.config)    # \u003Cзначення для config>  ← кеш, без завантаження\nprint(loader.schema)    # [LazyLoader] Завантаження 'schema'...  → \u003Cзначення для schema>\n",[3394,15103,15104,15113,15117,15122,15127,15131,15135,15147,15159,15163,15184,15189,15202,15211,15215,15220,15242,15258,15262,15280,15287,15292,15306,15312,15316,15320,15325,15335,15344],{"__ignoreMap":3408},[3412,15105,15106,15108,15111],{"class":3414,"line":3415},[3412,15107,3966],{"class":3965},[3412,15109,15110],{"class":3969}," LazyLoader",[3412,15112,3973],{"class":3418},[3412,15114,15115],{"class":3414,"line":3436},[3412,15116,9486],{"class":3442},[3412,15118,15119],{"class":3414,"line":3454},[3412,15120,15121],{"class":3442},"    Проксі-об'єкт, що ліниво завантажує важкі атрибути\n",[3412,15123,15124],{"class":3414,"line":3703},[3412,15125,15126],{"class":3442},"    лише при першому зверненні до них.\n",[3412,15128,15129],{"class":3414,"line":3709},[3412,15130,9486],{"class":3442},[3412,15132,15133],{"class":3414,"line":3715},[3412,15134,4431],{"class":3418},[3412,15136,15137,15139,15141,15143,15145],{"class":3414,"line":3721},[3412,15138,4086],{"class":3965},[3412,15140,4438],{"class":4005},[3412,15142,4034],{"class":3418},[3412,15144,4095],{"class":4094},[3412,15146,4098],{"class":3418},[3412,15148,15149,15151,15154,15156],{"class":3414,"line":3727},[3412,15150,4483],{"class":3965},[3412,15152,15153],{"class":3418},"._cache: ",[3412,15155,4206],{"class":3969},[3412,15157,15158],{"class":3418}," = {}\n",[3412,15160,15161],{"class":3414,"line":3733},[3412,15162,4431],{"class":3418},[3412,15164,15165,15167,15170,15172,15174,15176,15178,15180,15182],{"class":3414,"line":3740},[3412,15166,4086],{"class":3965},[3412,15168,15169],{"class":4005}," __getattr__",[3412,15171,4034],{"class":3418},[3412,15173,4095],{"class":4094},[3412,15175,3501],{"class":3418},[3412,15177,14581],{"class":4094},[3412,15179,4014],{"class":3418},[3412,15181,4452],{"class":3969},[3412,15183,4098],{"class":3418},[3412,15185,15186],{"class":3414,"line":3746},[3412,15187,15188],{"class":3432},"        # Цей метод викликається ЛИШЕ якщо 'name' не знайдено звичайним шляхом\n",[3412,15190,15191,15193,15196,15198,15200],{"class":3414,"line":3752},[3412,15192,5107],{"class":3978},[3412,15194,15195],{"class":3418}," name ",[3412,15197,9362],{"class":3965},[3412,15199,4910],{"class":3965},[3412,15201,11951],{"class":3418},[3412,15203,15204,15206,15208],{"class":3414,"line":3758},[3412,15205,5120],{"class":3978},[3412,15207,4910],{"class":3965},[3412,15209,15210],{"class":3418},"._cache[name]\n",[3412,15212,15213],{"class":3414,"line":3764},[3412,15214,10295],{"class":3418},[3412,15216,15217],{"class":3414,"line":3770},[3412,15218,15219],{"class":3432},"        # Симуляція важкого обчислення\n",[3412,15221,15222,15224,15226,15228,15231,15233,15235,15237,15240],{"class":3414,"line":3776},[3412,15223,13431],{"class":4005},[3412,15225,4034],{"class":3418},[3412,15227,5220],{"class":3965},[3412,15229,15230],{"class":3442},"\"[LazyLoader] Завантаження '",[3412,15232,4678],{"class":3965},[3412,15234,14581],{"class":3418},[3412,15236,4684],{"class":3965},[3412,15238,15239],{"class":3442},"'...\"",[3412,15241,4665],{"class":3418},[3412,15243,15244,15247,15250,15253,15255],{"class":3414,"line":3782},[3412,15245,15246],{"class":3978},"        import",[3412,15248,15249],{"class":3418}," time; time.sleep(",[3412,15251,15252],{"class":3422},"0.01",[3412,15254,5186],{"class":3418},[3412,15256,15257],{"class":3432},"# у реальності: читання файлу, запит до БД\n",[3412,15259,15260],{"class":3414,"line":3788},[3412,15261,10295],{"class":3418},[3412,15263,15264,15266,15268,15271,15273,15275,15277],{"class":3414,"line":3793},[3412,15265,11135],{"class":3418},[3412,15267,5220],{"class":3965},[3412,15269,15270],{"class":3442},"\"\u003Cзначення для ",[3412,15272,4678],{"class":3965},[3412,15274,14581],{"class":3418},[3412,15276,4684],{"class":3965},[3412,15278,15279],{"class":3442},">\"\n",[3412,15281,15282,15284],{"class":3414,"line":3798},[3412,15283,4483],{"class":3965},[3412,15285,15286],{"class":3418},"._cache[name] = value\n",[3412,15288,15289],{"class":3414,"line":3804},[3412,15290,15291],{"class":3432},"        # Зберігаємо в __dict__, щоб наступного разу __getattr__ не викликався\n",[3412,15293,15294,15296,15298,15300,15302,15304],{"class":3414,"line":3810},[3412,15295,14542],{"class":3969},[3412,15297,3546],{"class":3418},[3412,15299,14525],{"class":4005},[3412,15301,4034],{"class":3418},[3412,15303,4095],{"class":3965},[3412,15305,14672],{"class":3418},[3412,15307,15308,15310],{"class":3414,"line":3816},[3412,15309,4103],{"class":3978},[3412,15311,11156],{"class":3418},[3412,15313,15314],{"class":3414,"line":3822},[3412,15315,3737],{"emptyLinePlaceholder":3736},[3412,15317,15318],{"class":3414,"line":3828},[3412,15319,3737],{"emptyLinePlaceholder":3736},[3412,15321,15322],{"class":3414,"line":3834},[3412,15323,15324],{"class":3418},"loader = LazyLoader()\n",[3412,15326,15327,15329,15332],{"class":3414,"line":3840},[3412,15328,4031],{"class":4005},[3412,15330,15331],{"class":3418},"(loader.config)    ",[3412,15333,15334],{"class":3432},"# [LazyLoader] Завантаження 'config'...  → \u003Cзначення для config>\n",[3412,15336,15337,15339,15341],{"class":3414,"line":3846},[3412,15338,4031],{"class":4005},[3412,15340,15331],{"class":3418},[3412,15342,15343],{"class":3432},"# \u003Cзначення для config>  ← кеш, без завантаження\n",[3412,15345,15346,15348,15351],{"class":3414,"line":3851},[3412,15347,4031],{"class":4005},[3412,15349,15350],{"class":3418},"(loader.schema)    ",[3412,15352,15353],{"class":3432},"# [LazyLoader] Завантаження 'schema'...  → \u003Cзначення для schema>\n",[3628,15355],{},[3389,15357,15359],{"id":15358},"частина-ix-схема-прийняття-рішень-та-підводні-камені","Частина IX: Схема прийняття рішень та підводні камені",[3635,15361,15363],{"id":15362},"коли-що-визначати-алгоритм-вибору","Коли що визначати: алгоритм вибору",[3399,15365,15366],{},"Перш ніж реалізовувати dunder-метод, варто відповісти на кілька запитань:",[3677,15368,15369],{},[3403,15370,15372],{"className":3681,"code":15371,"language":3683,"meta":3408,"style":3408},"@startuml\nskinparam style plain\nskinparam backgroundColor #ffffff\nskinparam ArrowColor #6366f1\n\nstart\n\n:Додаєш dunder-метод до класу?;\n\nif (Клас представляє «значення» або\\nматематичну сутність?) then (Так)\n    :Визначи __repr__, __str__;\n    :Визначи __eq__;\n    if (Об'єкт незмінний?) then (Так)\n        :Визнач __hash__;\n        note right: Тепер можна використовувати\\nяк ключ dict і в set\n    else (Ні \u002F мутабельний)\n        :НЕ визначай __hash__;\n        note right: Мутабельні об'єкти\\nне повинні бути hashable\n    endif\n    if (Потрібна арифметика?) then (Так)\n        :Визнач __add__, __radd__;\n        if (Потрібна += оптимізація?) then (Так)\n            :Визнач __iadd__;\n        endif\n    endif\nendif\n\nif (Клас веде себе як колекція?) then (Так)\n    :Визнач __len__ та __getitem__;\n    if (Мутабельна колекція?) then (Так)\n        :Визнач __setitem__, __delitem__;\n    endif\n    if (Потрібна оптимізована перевірка 'in'?) then (Так)\n        :Визнач __contains__;\n    endif\nendif\n\nif (Клас керує ресурсом\\n(файл, lock, з'єднання)?) then (Так)\n    :Визнач __enter__ та __exit__;\nendif\n\nif (Клас може бути викликаний\\nяк функція?) then (Так)\n    :Визнач __call__;\nendif\n\nstop\n@enduml\n",[3394,15373,15374,15378,15382,15386,15390,15394,15398,15402,15407,15411,15416,15421,15426,15431,15436,15441,15446,15451,15456,15460,15465,15470,15475,15480,15485,15489,15493,15497,15502,15507,15512,15517,15521,15526,15531,15535,15539,15543,15548,15553,15557,15561,15566,15571,15575,15579,15584],{"__ignoreMap":3408},[3412,15375,15376],{"class":3414,"line":3415},[3412,15377,3690],{},[3412,15379,15380],{"class":3414,"line":3436},[3412,15381,3695],{},[3412,15383,15384],{"class":3414,"line":3454},[3412,15385,3700],{},[3412,15387,15388],{"class":3414,"line":3703},[3412,15389,3706],{},[3412,15391,15392],{"class":3414,"line":3709},[3412,15393,3737],{"emptyLinePlaceholder":3736},[3412,15395,15396],{"class":3414,"line":3715},[3412,15397,8747],{},[3412,15399,15400],{"class":3414,"line":3721},[3412,15401,3737],{"emptyLinePlaceholder":3736},[3412,15403,15404],{"class":3414,"line":3727},[3412,15405,15406],{},":Додаєш dunder-метод до класу?;\n",[3412,15408,15409],{"class":3414,"line":3733},[3412,15410,3737],{"emptyLinePlaceholder":3736},[3412,15412,15413],{"class":3414,"line":3740},[3412,15414,15415],{},"if (Клас представляє «значення» або\\nматематичну сутність?) then (Так)\n",[3412,15417,15418],{"class":3414,"line":3746},[3412,15419,15420],{},"    :Визначи __repr__, __str__;\n",[3412,15422,15423],{"class":3414,"line":3752},[3412,15424,15425],{},"    :Визначи __eq__;\n",[3412,15427,15428],{"class":3414,"line":3758},[3412,15429,15430],{},"    if (Об'єкт незмінний?) then (Так)\n",[3412,15432,15433],{"class":3414,"line":3764},[3412,15434,15435],{},"        :Визнач __hash__;\n",[3412,15437,15438],{"class":3414,"line":3770},[3412,15439,15440],{},"        note right: Тепер можна використовувати\\nяк ключ dict і в set\n",[3412,15442,15443],{"class":3414,"line":3776},[3412,15444,15445],{},"    else (Ні \u002F мутабельний)\n",[3412,15447,15448],{"class":3414,"line":3782},[3412,15449,15450],{},"        :НЕ визначай __hash__;\n",[3412,15452,15453],{"class":3414,"line":3788},[3412,15454,15455],{},"        note right: Мутабельні об'єкти\\nне повинні бути hashable\n",[3412,15457,15458],{"class":3414,"line":3793},[3412,15459,8790],{},[3412,15461,15462],{"class":3414,"line":3798},[3412,15463,15464],{},"    if (Потрібна арифметика?) then (Так)\n",[3412,15466,15467],{"class":3414,"line":3804},[3412,15468,15469],{},"        :Визнач __add__, __radd__;\n",[3412,15471,15472],{"class":3414,"line":3810},[3412,15473,15474],{},"        if (Потрібна += оптимізація?) then (Так)\n",[3412,15476,15477],{"class":3414,"line":3816},[3412,15478,15479],{},"            :Визнач __iadd__;\n",[3412,15481,15482],{"class":3414,"line":3822},[3412,15483,15484],{},"        endif\n",[3412,15486,15487],{"class":3414,"line":3828},[3412,15488,8790],{},[3412,15490,15491],{"class":3414,"line":3834},[3412,15492,8795],{},[3412,15494,15495],{"class":3414,"line":3840},[3412,15496,3737],{"emptyLinePlaceholder":3736},[3412,15498,15499],{"class":3414,"line":3846},[3412,15500,15501],{},"if (Клас веде себе як колекція?) then (Так)\n",[3412,15503,15504],{"class":3414,"line":3851},[3412,15505,15506],{},"    :Визнач __len__ та __getitem__;\n",[3412,15508,15509],{"class":3414,"line":3856},[3412,15510,15511],{},"    if (Мутабельна колекція?) then (Так)\n",[3412,15513,15514],{"class":3414,"line":3862},[3412,15515,15516],{},"        :Визнач __setitem__, __delitem__;\n",[3412,15518,15519],{"class":3414,"line":3868},[3412,15520,8790],{},[3412,15522,15523],{"class":3414,"line":3874},[3412,15524,15525],{},"    if (Потрібна оптимізована перевірка 'in'?) then (Так)\n",[3412,15527,15528],{"class":3414,"line":3880},[3412,15529,15530],{},"        :Визнач __contains__;\n",[3412,15532,15533],{"class":3414,"line":3886},[3412,15534,8790],{},[3412,15536,15537],{"class":3414,"line":3892},[3412,15538,8795],{},[3412,15540,15541],{"class":3414,"line":3898},[3412,15542,3737],{"emptyLinePlaceholder":3736},[3412,15544,15545],{"class":3414,"line":3903},[3412,15546,15547],{},"if (Клас керує ресурсом\\n(файл, lock, з'єднання)?) then (Так)\n",[3412,15549,15550],{"class":3414,"line":3909},[3412,15551,15552],{},"    :Визнач __enter__ та __exit__;\n",[3412,15554,15555],{"class":3414,"line":3915},[3412,15556,8795],{},[3412,15558,15559],{"class":3414,"line":3921},[3412,15560,3737],{"emptyLinePlaceholder":3736},[3412,15562,15563],{"class":3414,"line":3927},[3412,15564,15565],{},"if (Клас може бути викликаний\\nяк функція?) then (Так)\n",[3412,15567,15568],{"class":3414,"line":3933},[3412,15569,15570],{},"    :Визнач __call__;\n",[3412,15572,15573],{"class":3414,"line":6004},[3412,15574,8795],{},[3412,15576,15577],{"class":3414,"line":6015},[3412,15578,3737],{"emptyLinePlaceholder":3736},[3412,15580,15581],{"class":3414,"line":6022},[3412,15582,15583],{},"stop\n",[3412,15585,15586],{"class":3414,"line":6032},[3412,15587,3936],{},[3635,15589,15591],{"id":15590},"топ-5-підводних-каменів","Топ-5 підводних каменів",[4045,15593,15594,15601],{},[3399,15595,15596],{},[3494,15597,15598,15599],{},"Підводний камінь 1: Рекурсія у ",[3394,15600,14525],{},[3403,15602,15604],{"className":3405,"code":15603,"language":3407,"meta":3408,"style":3408},"class Bad:\n    def __setattr__(self, name, value):\n        self.name = value  # ← НЕСКІНЧЕННА РЕКУРСІЯ! self.name → __setattr__\n\nclass Good:\n    def __setattr__(self, name, value):\n        self.__dict__[name] = value  # ← пряма робота зі словником\n        # або: object.__setattr__(self, name, value)\n",[3394,15605,15606,15615,15635,15645,15649,15658,15678,15692],{"__ignoreMap":3408},[3412,15607,15608,15610,15613],{"class":3414,"line":3415},[3412,15609,3966],{"class":3965},[3412,15611,15612],{"class":3969}," Bad",[3412,15614,3973],{"class":3418},[3412,15616,15617,15619,15621,15623,15625,15627,15629,15631,15633],{"class":3414,"line":3436},[3412,15618,4086],{"class":3965},[3412,15620,14572],{"class":4005},[3412,15622,4034],{"class":3418},[3412,15624,4095],{"class":4094},[3412,15626,3501],{"class":3418},[3412,15628,14581],{"class":4094},[3412,15630,3501],{"class":3418},[3412,15632,11454],{"class":4094},[3412,15634,4098],{"class":3418},[3412,15636,15637,15639,15642],{"class":3414,"line":3454},[3412,15638,4483],{"class":3965},[3412,15640,15641],{"class":3418},".name = value  ",[3412,15643,15644],{"class":3432},"# ← НЕСКІНЧЕННА РЕКУРСІЯ! self.name → __setattr__\n",[3412,15646,15647],{"class":3414,"line":3703},[3412,15648,3737],{"emptyLinePlaceholder":3736},[3412,15650,15651,15653,15656],{"class":3414,"line":3709},[3412,15652,3966],{"class":3965},[3412,15654,15655],{"class":3969}," Good",[3412,15657,3973],{"class":3418},[3412,15659,15660,15662,15664,15666,15668,15670,15672,15674,15676],{"class":3414,"line":3715},[3412,15661,4086],{"class":3965},[3412,15663,14572],{"class":4005},[3412,15665,4034],{"class":3418},[3412,15667,4095],{"class":4094},[3412,15669,3501],{"class":3418},[3412,15671,14581],{"class":4094},[3412,15673,3501],{"class":3418},[3412,15675,11454],{"class":4094},[3412,15677,4098],{"class":3418},[3412,15679,15680,15682,15684,15686,15689],{"class":3414,"line":3721},[3412,15681,4483],{"class":3965},[3412,15683,3546],{"class":3418},[3412,15685,3950],{"class":4094},[3412,15687,15688],{"class":3418},"[name] = value  ",[3412,15690,15691],{"class":3432},"# ← пряма робота зі словником\n",[3412,15693,15694],{"class":3414,"line":3727},[3412,15695,15696],{"class":3432},"        # або: object.__setattr__(self, name, value)\n",[4045,15698,15699,15710],{},[3399,15700,15701],{},[3494,15702,15703,15704,15706,15707,15709],{},"Підводний камінь 2: ",[3394,15705,4197],{}," без ",[3394,15708,4202],{}," → нехешований об'єкт",[3399,15711,15712,15713,15715,15716,15718,15719,15721,15722,3546],{},"Якщо визначили ",[3394,15714,4197],{}," — Python автоматично обнулює ",[3394,15717,4202],{},". Якщо об'єкт має бути хешованим (ключ dict, елемент set), завжди визначайте ",[3394,15720,4202],{}," разом із ",[3394,15723,4197],{},[4045,15725,15726,15735],{},[3399,15727,15728],{},[3494,15729,15730,15731,8906,15733],{},"Підводний камінь 3: Повернення ",[3394,15732,6278],{},[3394,15734,6274],{},[3403,15736,15738],{"className":3405,"code":15737,"language":3407,"meta":3408,"style":3408},"# Погано:\ndef __add__(self, other):\n    if not isinstance(other, MyClass):\n        return False  # Зламає reflected operators!\n\n# Правильно:\ndef __add__(self, other):\n    if not isinstance(other, MyClass):\n        return NotImplemented  # Python спробує other.__radd__(self)\n",[3394,15739,15740,15745,15761,15772,15781,15785,15790,15806,15816],{"__ignoreMap":3408},[3412,15741,15742],{"class":3414,"line":3415},[3412,15743,15744],{"class":3432},"# Погано:\n",[3412,15746,15747,15749,15751,15753,15755,15757,15759],{"class":3414,"line":3436},[3412,15748,12239],{"class":3965},[3412,15750,7726],{"class":4005},[3412,15752,4034],{"class":3418},[3412,15754,4095],{"class":4094},[3412,15756,3501],{"class":3418},[3412,15758,5770],{"class":4094},[3412,15760,4098],{"class":3418},[3412,15762,15763,15765,15767,15769],{"class":3414,"line":3454},[3412,15764,12267],{"class":3978},[3412,15766,5789],{"class":3965},[3412,15768,5792],{"class":4005},[3412,15770,15771],{"class":3418},"(other, MyClass):\n",[3412,15773,15774,15776,15778],{"class":3414,"line":3703},[3412,15775,4103],{"class":3978},[3412,15777,13248],{"class":3965},[3412,15779,15780],{"class":3432},"  # Зламає reflected operators!\n",[3412,15782,15783],{"class":3414,"line":3709},[3412,15784,3737],{"emptyLinePlaceholder":3736},[3412,15786,15787],{"class":3414,"line":3715},[3412,15788,15789],{"class":3432},"# Правильно:\n",[3412,15791,15792,15794,15796,15798,15800,15802,15804],{"class":3414,"line":3721},[3412,15793,12239],{"class":3965},[3412,15795,7726],{"class":4005},[3412,15797,4034],{"class":3418},[3412,15799,4095],{"class":4094},[3412,15801,3501],{"class":3418},[3412,15803,5770],{"class":4094},[3412,15805,4098],{"class":3418},[3412,15807,15808,15810,15812,15814],{"class":3414,"line":3727},[3412,15809,12267],{"class":3978},[3412,15811,5789],{"class":3965},[3412,15813,5792],{"class":4005},[3412,15815,15771],{"class":3418},[3412,15817,15818,15820,15822],{"class":3414,"line":3733},[3412,15819,4103],{"class":3978},[3412,15821,5802],{"class":3965},[3412,15823,15824],{"class":3432},"  # Python спробує other.__radd__(self)\n",[4045,15826,15827,15837],{},[3399,15828,15829],{},[3494,15830,15831,15832,6297,15834,15836],{},"Підводний камінь 4: ",[3394,15833,12585],{},[3394,15835,6239],{}," без умови",[3403,15838,15840],{"className":3405,"code":15839,"language":3407,"meta":3408,"style":3408},"# Погано: пригнічує ВСІ виключення, включно з SystemExit і KeyboardInterrupt\ndef __exit__(self, exc_type, exc_val, exc_tb):\n    self.cleanup()\n    return True  # ← НІКОЛИ не робіть це без перевірки exc_type!\n\n# Правильно:\ndef __exit__(self, exc_type, exc_val, exc_tb):\n    self.cleanup()\n    return False  # дозволяємо виключенню поширюватись\n",[3394,15841,15842,15847,15873,15881,15890,15894,15898,15922,15928],{"__ignoreMap":3408},[3412,15843,15844],{"class":3414,"line":3415},[3412,15845,15846],{"class":3432},"# Погано: пригнічує ВСІ виключення, включно з SystemExit і KeyboardInterrupt\n",[3412,15848,15849,15851,15853,15855,15857,15859,15862,15864,15866,15868,15871],{"class":3414,"line":3436},[3412,15850,12239],{"class":3965},[3412,15852,13023],{"class":4005},[3412,15854,4034],{"class":3418},[3412,15856,4095],{"class":4094},[3412,15858,3501],{"class":3418},[3412,15860,15861],{"class":4094},"exc_type",[3412,15863,3501],{"class":3418},[3412,15865,13229],{"class":4094},[3412,15867,3501],{"class":3418},[3412,15869,15870],{"class":4094},"exc_tb",[3412,15872,4098],{"class":3418},[3412,15874,15875,15878],{"class":3414,"line":3454},[3412,15876,15877],{"class":3965},"    self",[3412,15879,15880],{"class":3418},".cleanup()\n",[3412,15882,15883,15885,15887],{"class":3414,"line":3703},[3412,15884,12286],{"class":3978},[3412,15886,13968],{"class":3965},[3412,15888,15889],{"class":3432},"  # ← НІКОЛИ не робіть це без перевірки exc_type!\n",[3412,15891,15892],{"class":3414,"line":3709},[3412,15893,3737],{"emptyLinePlaceholder":3736},[3412,15895,15896],{"class":3414,"line":3715},[3412,15897,15789],{"class":3432},[3412,15899,15900,15902,15904,15906,15908,15910,15912,15914,15916,15918,15920],{"class":3414,"line":3721},[3412,15901,12239],{"class":3965},[3412,15903,13023],{"class":4005},[3412,15905,4034],{"class":3418},[3412,15907,4095],{"class":4094},[3412,15909,3501],{"class":3418},[3412,15911,15861],{"class":4094},[3412,15913,3501],{"class":3418},[3412,15915,13229],{"class":4094},[3412,15917,3501],{"class":3418},[3412,15919,15870],{"class":4094},[3412,15921,4098],{"class":3418},[3412,15923,15924,15926],{"class":3414,"line":3727},[3412,15925,15877],{"class":3965},[3412,15927,15880],{"class":3418},[3412,15929,15930,15932,15934],{"class":3414,"line":3733},[3412,15931,12286],{"class":3978},[3412,15933,13248],{"class":3965},[3412,15935,15936],{"class":3432},"  # дозволяємо виключенню поширюватись\n",[4045,15938,15939,15947,15958],{},[3399,15940,15941],{},[3494,15942,15943,15944,15946],{},"Підводний камінь 5: ",[3394,15945,4162],{}," спричиняє виключення",[3399,15948,15949,15951,15952,15954,15955,15957],{},[3394,15950,4162],{}," часто викликається у відлагоджувачі та при логуванні — у контексті, де вже сталась помилка. Якщо ",[3394,15953,4162],{}," сам підіймає виключення, ви отримаєте безвихідну ситуацію. Завжди робіть ",[3394,15956,4162],{}," максимально захищеним:",[3403,15959,15961],{"className":3405,"code":15960,"language":3407,"meta":3408,"style":3408},"def __repr__(self) -> str:\n    try:\n        return f\"MyClass(x={self.x!r}, y={self.y!r})\"\n    except Exception:\n        return f\"\u003CMyClass: помилка представлення>\"\n",[3394,15962,15963,15979,15985,16011,16020],{"__ignoreMap":3408},[3412,15964,15965,15967,15969,15971,15973,15975,15977],{"class":3414,"line":3415},[3412,15966,12239],{"class":3965},[3412,15968,4517],{"class":4005},[3412,15970,4034],{"class":3418},[3412,15972,4095],{"class":4094},[3412,15974,4524],{"class":3418},[3412,15976,4452],{"class":3969},[3412,15978,3973],{"class":3418},[3412,15980,15981,15983],{"class":3414,"line":3436},[3412,15982,12695],{"class":3978},[3412,15984,3973],{"class":3418},[3412,15986,15987,15989,15991,15994,15996,15998,16000,16003,16005,16007,16009],{"class":3414,"line":3454},[3412,15988,4103],{"class":3978},[3412,15990,4672],{"class":3965},[3412,15992,15993],{"class":3442},"\"MyClass(x=",[3412,15995,4563],{"class":3965},[3412,15997,7138],{"class":3418},[3412,15999,4569],{"class":3965},[3412,16001,16002],{"class":3442},", y=",[3412,16004,4563],{"class":3965},[3412,16006,7147],{"class":3418},[3412,16008,4569],{"class":3965},[3412,16010,5004],{"class":3442},[3412,16012,16013,16015,16018],{"class":3414,"line":3703},[3412,16014,12707],{"class":3978},[3412,16016,16017],{"class":3969}," Exception",[3412,16019,3973],{"class":3418},[3412,16021,16022,16024,16026],{"class":3414,"line":3709},[3412,16023,4103],{"class":3978},[3412,16025,4672],{"class":3965},[3412,16027,16028],{"class":3442},"\"\u003CMyClass: помилка представлення>\"\n",[3628,16030],{},[3389,16032,16034],{"id":16033},"практичний-блок","Практичний блок",[3635,16036,16038,16039],{"id":16037},"рівень-1-базовий-клас-money","Рівень 1 (Базовий): Клас ",[3394,16040,16041],{},"Money",[3399,16043,16044],{},"Реалізуйте клас для роботи з грошовими сумами з підтримкою протоколів:",[3403,16046,16048],{"className":3405,"code":16047,"language":3407,"meta":3408,"style":3408},"from decimal import Decimal\n\nclass Money:\n    \"\"\"\n    Грошова сума з валютою.\n    \n    Вимоги:\n    - __repr__: Money(amount=Decimal('100.50'), currency='UAH')\n    - __str__: 100.50 UAH\n    - __add__, __sub__: складання\u002Fвіднімання одної валюти\n    - __mul__: множення на число (Money * 1.2)\n    - __eq__, __lt__, __le__: порівняння (лише однакова валюта)\n    - __hash__: хешування (Money є незмінним)\n    - __bool__: False якщо amount == 0\n    - При різних валютах підіймати ValueError\n    \"\"\"\n    \n    def __init__(self, amount: str | Decimal, currency: str):\n        self.amount = Decimal(str(amount))\n        self.currency = currency.upper()\n    \n    # ... ваша реалізація\n",[3394,16049,16050,16062,16066,16075,16079,16084,16088,16093,16098,16103,16108,16113,16118,16123,16128,16133,16137,16141,16172,16184,16191,16195],{"__ignoreMap":3408},[3412,16051,16052,16054,16057,16059],{"class":3414,"line":3415},[3412,16053,4399],{"class":3978},[3412,16055,16056],{"class":3418}," decimal ",[3412,16058,4405],{"class":3978},[3412,16060,16061],{"class":3418}," Decimal\n",[3412,16063,16064],{"class":3414,"line":3436},[3412,16065,3737],{"emptyLinePlaceholder":3736},[3412,16067,16068,16070,16073],{"class":3414,"line":3454},[3412,16069,3966],{"class":3965},[3412,16071,16072],{"class":3969}," Money",[3412,16074,3973],{"class":3418},[3412,16076,16077],{"class":3414,"line":3703},[3412,16078,9486],{"class":3442},[3412,16080,16081],{"class":3414,"line":3709},[3412,16082,16083],{"class":3442},"    Грошова сума з валютою.\n",[3412,16085,16086],{"class":3414,"line":3715},[3412,16087,4431],{"class":3442},[3412,16089,16090],{"class":3414,"line":3721},[3412,16091,16092],{"class":3442},"    Вимоги:\n",[3412,16094,16095],{"class":3414,"line":3727},[3412,16096,16097],{"class":3442},"    - __repr__: Money(amount=Decimal('100.50'), currency='UAH')\n",[3412,16099,16100],{"class":3414,"line":3733},[3412,16101,16102],{"class":3442},"    - __str__: 100.50 UAH\n",[3412,16104,16105],{"class":3414,"line":3740},[3412,16106,16107],{"class":3442},"    - __add__, __sub__: складання\u002Fвіднімання одної валюти\n",[3412,16109,16110],{"class":3414,"line":3746},[3412,16111,16112],{"class":3442},"    - __mul__: множення на число (Money * 1.2)\n",[3412,16114,16115],{"class":3414,"line":3752},[3412,16116,16117],{"class":3442},"    - __eq__, __lt__, __le__: порівняння (лише однакова валюта)\n",[3412,16119,16120],{"class":3414,"line":3758},[3412,16121,16122],{"class":3442},"    - __hash__: хешування (Money є незмінним)\n",[3412,16124,16125],{"class":3414,"line":3764},[3412,16126,16127],{"class":3442},"    - __bool__: False якщо amount == 0\n",[3412,16129,16130],{"class":3414,"line":3770},[3412,16131,16132],{"class":3442},"    - При різних валютах підіймати ValueError\n",[3412,16134,16135],{"class":3414,"line":3776},[3412,16136,9486],{"class":3442},[3412,16138,16139],{"class":3414,"line":3782},[3412,16140,4431],{"class":3418},[3412,16142,16143,16145,16147,16149,16151,16153,16156,16158,16160,16163,16166,16168,16170],{"class":3414,"line":3788},[3412,16144,4086],{"class":3965},[3412,16146,4438],{"class":4005},[3412,16148,4034],{"class":3418},[3412,16150,4095],{"class":4094},[3412,16152,3501],{"class":3418},[3412,16154,16155],{"class":4094},"amount",[3412,16157,4014],{"class":3418},[3412,16159,4452],{"class":3969},[3412,16161,16162],{"class":3418}," | Decimal, ",[3412,16164,16165],{"class":4094},"currency",[3412,16167,4014],{"class":3418},[3412,16169,4452],{"class":3969},[3412,16171,4098],{"class":3418},[3412,16173,16174,16176,16179,16181],{"class":3414,"line":3793},[3412,16175,4483],{"class":3965},[3412,16177,16178],{"class":3418},".amount = Decimal(",[3412,16180,4452],{"class":3969},[3412,16182,16183],{"class":3418},"(amount))\n",[3412,16185,16186,16188],{"class":3414,"line":3798},[3412,16187,4483],{"class":3965},[3412,16189,16190],{"class":3418},".currency = currency.upper()\n",[3412,16192,16193],{"class":3414,"line":3804},[3412,16194,4431],{"class":3418},[3412,16196,16197],{"class":3414,"line":3810},[3412,16198,16199],{"class":3432},"    # ... ваша реалізація\n",[3635,16201,16203,16204],{"id":16202},"рівень-2-середній-клас-timeseries","Рівень 2 (Середній): Клас ",[3394,16205,16206],{},"TimeSeries",[3399,16208,16209,16210,16212],{},"Реалізуйте клас ",[3394,16211,16206],{}," — контейнер для часових рядів (наприклад, ціни активів):",[3403,16214,16216],{"className":3405,"code":16215,"language":3407,"meta":3408,"style":3408},"from datetime import date\nfrom typing import Iterator\n\nclass TimeSeries:\n    \"\"\"\n    Часовий ряд: відображення дата → значення.\n    \n    Вимоги контейнерного протоколу:\n    - __len__: кількість точок\n    - __getitem__: доступ за датою (KeyError якщо немає) або за int-індексом\n    - __setitem__: додавання\u002Fоновлення точки\n    - __delitem__: видалення точки\n    - __contains__: перевірка наявності дати\n    - __iter__: ітерація по датах у хронологічному порядку\n    - __repr__, __str__\n    \n    Додаткові методи:\n    - .values() → ітератор значень у хронологічному порядку\n    - .items() → ітератор (дата, значення) у хронологічному порядку\n    - .between(start, end) → новий TimeSeries зі зрізом\n    - __add__(other: TimeSeries) → поелементне додавання (однакові дати)\n    \"\"\"\n    pass\n",[3394,16217,16218,16229,16240,16244,16253,16257,16262,16266,16271,16276,16281,16286,16291,16296,16301,16306,16310,16315,16320,16325,16330,16335,16339],{"__ignoreMap":3408},[3412,16219,16220,16222,16224,16226],{"class":3414,"line":3415},[3412,16221,4399],{"class":3978},[3412,16223,4402],{"class":3418},[3412,16225,4405],{"class":3978},[3412,16227,16228],{"class":3418}," date\n",[3412,16230,16231,16233,16235,16237],{"class":3414,"line":3436},[3412,16232,4399],{"class":3978},[3412,16234,9444],{"class":3418},[3412,16236,4405],{"class":3978},[3412,16238,16239],{"class":3418}," Iterator\n",[3412,16241,16242],{"class":3414,"line":3454},[3412,16243,3737],{"emptyLinePlaceholder":3736},[3412,16245,16246,16248,16251],{"class":3414,"line":3703},[3412,16247,3966],{"class":3965},[3412,16249,16250],{"class":3969}," TimeSeries",[3412,16252,3973],{"class":3418},[3412,16254,16255],{"class":3414,"line":3709},[3412,16256,9486],{"class":3442},[3412,16258,16259],{"class":3414,"line":3715},[3412,16260,16261],{"class":3442},"    Часовий ряд: відображення дата → значення.\n",[3412,16263,16264],{"class":3414,"line":3721},[3412,16265,4431],{"class":3442},[3412,16267,16268],{"class":3414,"line":3727},[3412,16269,16270],{"class":3442},"    Вимоги контейнерного протоколу:\n",[3412,16272,16273],{"class":3414,"line":3733},[3412,16274,16275],{"class":3442},"    - __len__: кількість точок\n",[3412,16277,16278],{"class":3414,"line":3740},[3412,16279,16280],{"class":3442},"    - __getitem__: доступ за датою (KeyError якщо немає) або за int-індексом\n",[3412,16282,16283],{"class":3414,"line":3746},[3412,16284,16285],{"class":3442},"    - __setitem__: додавання\u002Fоновлення точки\n",[3412,16287,16288],{"class":3414,"line":3752},[3412,16289,16290],{"class":3442},"    - __delitem__: видалення точки\n",[3412,16292,16293],{"class":3414,"line":3758},[3412,16294,16295],{"class":3442},"    - __contains__: перевірка наявності дати\n",[3412,16297,16298],{"class":3414,"line":3764},[3412,16299,16300],{"class":3442},"    - __iter__: ітерація по датах у хронологічному порядку\n",[3412,16302,16303],{"class":3414,"line":3770},[3412,16304,16305],{"class":3442},"    - __repr__, __str__\n",[3412,16307,16308],{"class":3414,"line":3776},[3412,16309,4431],{"class":3442},[3412,16311,16312],{"class":3414,"line":3782},[3412,16313,16314],{"class":3442},"    Додаткові методи:\n",[3412,16316,16317],{"class":3414,"line":3788},[3412,16318,16319],{"class":3442},"    - .values() → ітератор значень у хронологічному порядку\n",[3412,16321,16322],{"class":3414,"line":3793},[3412,16323,16324],{"class":3442},"    - .items() → ітератор (дата, значення) у хронологічному порядку\n",[3412,16326,16327],{"class":3414,"line":3798},[3412,16328,16329],{"class":3442},"    - .between(start, end) → новий TimeSeries зі зрізом\n",[3412,16331,16332],{"class":3414,"line":3804},[3412,16333,16334],{"class":3442},"    - __add__(other: TimeSeries) → поелементне додавання (однакові дати)\n",[3412,16336,16337],{"class":3414,"line":3810},[3412,16338,9486],{"class":3442},[3412,16340,16341],{"class":3414,"line":3816},[3412,16342,3979],{"class":3978},[3635,16344,16346,16347],{"id":16345},"рівень-3-advanced-валідуючий-дескриптор-через-__set_name__","Рівень 3 (Advanced): Валідуючий дескриптор через ",[3394,16348,16349],{},"__set_name__",[3399,16351,16209,16352,16355,16356,16358],{},[3394,16353,16354],{},"ValidatedModel"," — базовий клас для валідованих моделей даних, що використовує ",[3394,16357,14525],{}," для перехоплення запису та реєстру валідаторів:",[3403,16360,16362],{"className":3405,"code":16361,"language":3407,"meta":3408,"style":3408},"from typing import Any, Callable\n\nclass ValidatedModel:\n    \"\"\"\n    Базовий клас для моделей із декларативною валідацією.\n    \n    Використання:\n        class User(ValidatedModel):\n            name: str\n            age: int\n        \n        user = User(name=\"Олена\", age=25)\n        user.age = -5   # ValueError: age must be >= 0\n        user.name = 123 # TypeError: name must be str\n    \n    Вимоги:\n    - __init_subclass__: при успадкуванні збирає type hints\n      і реєструє базові валідатори за типом\n    - __setattr__: перед записом виконує валідатори для цього поля\n    - classmethod validate_field(name, validator): реєструє кастомний валідатор\n    - Валідатори — callable(value) → None або ValueError\n    - __repr__: автоматично генерується з полів\n    - __eq__: порівняння за значеннями всіх полів\n    \"\"\"\n    pass\n",[3394,16363,16364,16375,16379,16388,16392,16397,16401,16405,16410,16415,16420,16424,16429,16434,16439,16443,16447,16452,16457,16462,16467,16472,16477,16482,16486],{"__ignoreMap":3408},[3412,16365,16366,16368,16370,16372],{"class":3414,"line":3415},[3412,16367,4399],{"class":3978},[3412,16369,9444],{"class":3418},[3412,16371,4405],{"class":3978},[3412,16373,16374],{"class":3418}," Any, Callable\n",[3412,16376,16377],{"class":3414,"line":3436},[3412,16378,3737],{"emptyLinePlaceholder":3736},[3412,16380,16381,16383,16386],{"class":3414,"line":3454},[3412,16382,3966],{"class":3965},[3412,16384,16385],{"class":3969}," ValidatedModel",[3412,16387,3973],{"class":3418},[3412,16389,16390],{"class":3414,"line":3703},[3412,16391,9486],{"class":3442},[3412,16393,16394],{"class":3414,"line":3709},[3412,16395,16396],{"class":3442},"    Базовий клас для моделей із декларативною валідацією.\n",[3412,16398,16399],{"class":3414,"line":3715},[3412,16400,4431],{"class":3442},[3412,16402,16403],{"class":3414,"line":3721},[3412,16404,11715],{"class":3442},[3412,16406,16407],{"class":3414,"line":3727},[3412,16408,16409],{"class":3442},"        class User(ValidatedModel):\n",[3412,16411,16412],{"class":3414,"line":3733},[3412,16413,16414],{"class":3442},"            name: str\n",[3412,16416,16417],{"class":3414,"line":3740},[3412,16418,16419],{"class":3442},"            age: int\n",[3412,16421,16422],{"class":3414,"line":3746},[3412,16423,10295],{"class":3442},[3412,16425,16426],{"class":3414,"line":3752},[3412,16427,16428],{"class":3442},"        user = User(name=\"Олена\", age=25)\n",[3412,16430,16431],{"class":3414,"line":3758},[3412,16432,16433],{"class":3442},"        user.age = -5   # ValueError: age must be >= 0\n",[3412,16435,16436],{"class":3414,"line":3764},[3412,16437,16438],{"class":3442},"        user.name = 123 # TypeError: name must be str\n",[3412,16440,16441],{"class":3414,"line":3770},[3412,16442,4431],{"class":3442},[3412,16444,16445],{"class":3414,"line":3776},[3412,16446,16092],{"class":3442},[3412,16448,16449],{"class":3414,"line":3782},[3412,16450,16451],{"class":3442},"    - __init_subclass__: при успадкуванні збирає type hints\n",[3412,16453,16454],{"class":3414,"line":3788},[3412,16455,16456],{"class":3442},"      і реєструє базові валідатори за типом\n",[3412,16458,16459],{"class":3414,"line":3793},[3412,16460,16461],{"class":3442},"    - __setattr__: перед записом виконує валідатори для цього поля\n",[3412,16463,16464],{"class":3414,"line":3798},[3412,16465,16466],{"class":3442},"    - classmethod validate_field(name, validator): реєструє кастомний валідатор\n",[3412,16468,16469],{"class":3414,"line":3804},[3412,16470,16471],{"class":3442},"    - Валідатори — callable(value) → None або ValueError\n",[3412,16473,16474],{"class":3414,"line":3810},[3412,16475,16476],{"class":3442},"    - __repr__: автоматично генерується з полів\n",[3412,16478,16479],{"class":3414,"line":3816},[3412,16480,16481],{"class":3442},"    - __eq__: порівняння за значеннями всіх полів\n",[3412,16483,16484],{"class":3414,"line":3822},[3412,16485,9486],{"class":3442},[3412,16487,16488],{"class":3414,"line":3828},[3412,16489,3979],{"class":3978},[3628,16491],{},[3389,16493,16495],{"id":16494},"практичний-приклад-від-а-до-я-кошик-покупок","Практичний приклад від А до Я: Кошик покупок",[3399,16497,16498,16499,16502],{},"Щоб об'єднати всі вивчені протоколи в єдину картину, побудуємо повноцінний клас ",[3394,16500,16501],{},"ShoppingCart"," — кошик покупок інтернет-магазину. Кожен dunder-метод тут вирішує конкретну реальну задачу, а не існує заради демонстрації.",[3635,16504,16506],{"id":16505},"постановка-задачі","Постановка задачі",[3399,16508,16509],{},"Нам потрібен клас, який:",[16511,16512,16513,16516,16528,16531,16536,16543],"ol",{},[10903,16514,16515],{},"Зберігає товари з кількістю та ціною.",[10903,16517,16518,16519,3501,16522,3501,16525,3546],{},"Підтримує зручний синтаксис доступу: ",[3394,16520,16521],{},"cart[\"Ноутбук\"]",[3394,16523,16524],{},"del cart[\"Миша\"]",[3394,16526,16527],{},"\"Ноутбук\" in cart",[10903,16529,16530],{},"Виводиться як красива таблиця для користувача та як детальний рядок для логів\u002Fналагодження.",[10903,16532,16533,16534,3546],{},"Дозволяє об'єднувати два кошики через ",[3394,16535,3396],{},[10903,16537,16538,16539,16542],{},"Підтримує застосування знижки через виклик: ",[3394,16540,16541],{},"cart(0.1)"," — знижка 10%.",[10903,16544,16545],{},"Може використовуватись як контекстний менеджер: при вході фіксує стан, при виключенні — відкатує до нього.",[3635,16547,16549],{"id":16548},"архітектура-проекту","Архітектура проекту",[3403,16551,16556],{"className":16552,"code":16554,"language":16555},[16553],"language-text","shop\u002F\n  __init__.py\n  models.py      ← клас CartItem (один товар)\n  cart.py        ← клас ShoppingCart (весь кошик)\n  main.py        ← демонстрація роботи\n","text",[3394,16557,16554],{"__ignoreMap":3408},[16559,16560,16561,16836,18681,18736],"code-tree",{},[3403,16562,16565],{"className":3405,"code":16563,"filename":16564,"language":3407,"meta":3408,"style":3408},"from __future__ import annotations\nfrom dataclasses import dataclass\n\n\n@dataclass\nclass CartItem:\n    \"\"\"\n    Один рядок у кошику: товар із ціною та кількістю.\n    \n    dataclass автоматично генерує __init__, __repr__ та __eq__.\n    frozen=True робить об'єкт незмінним та автоматично додає __hash__.\n    \"\"\"\n    name: str\n    price: float      # ціна за одиницю, грн\n    quantity: int = 1\n\n    @property\n    def total(self) -> float:\n        \"\"\"Загальна вартість позиції.\"\"\"\n        return self.price * self.quantity\n\n    def with_quantity(self, qty: int) -> CartItem:\n        \"\"\"Повертає новий CartItem з оновленою кількістю (незмінний патерн).\"\"\"\n        return CartItem(name=self.name, price=self.price, quantity=qty)\n\n    def with_price(self, new_price: float) -> CartItem:\n        \"\"\"Повертає новий CartItem з оновленою ціною.\"\"\"\n        return CartItem(name=self.name, price=new_price, quantity=self.quantity)\n","shop\u002Fmodels.py",[3394,16566,16567,16577,16589,16593,16597,16602,16611,16615,16620,16624,16629,16634,16638,16646,16656,16667,16671,16677,16694,16699,16713,16717,16740,16745,16777,16781,16803,16808],{"__ignoreMap":3408},[3412,16568,16569,16571,16573,16575],{"class":3414,"line":3415},[3412,16570,4399],{"class":3978},[3412,16572,5495],{"class":4094},[3412,16574,5498],{"class":3978},[3412,16576,5501],{"class":3418},[3412,16578,16579,16581,16584,16586],{"class":3414,"line":3436},[3412,16580,4399],{"class":3978},[3412,16582,16583],{"class":3418}," dataclasses ",[3412,16585,4405],{"class":3978},[3412,16587,16588],{"class":3418}," dataclass\n",[3412,16590,16591],{"class":3414,"line":3454},[3412,16592,3737],{"emptyLinePlaceholder":3736},[3412,16594,16595],{"class":3414,"line":3703},[3412,16596,3737],{"emptyLinePlaceholder":3736},[3412,16598,16599],{"class":3414,"line":3709},[3412,16600,16601],{"class":4005},"@dataclass\n",[3412,16603,16604,16606,16609],{"class":3414,"line":3715},[3412,16605,3966],{"class":3965},[3412,16607,16608],{"class":3969}," CartItem",[3412,16610,3973],{"class":3418},[3412,16612,16613],{"class":3414,"line":3721},[3412,16614,9486],{"class":3442},[3412,16616,16617],{"class":3414,"line":3727},[3412,16618,16619],{"class":3442},"    Один рядок у кошику: товар із ціною та кількістю.\n",[3412,16621,16622],{"class":3414,"line":3733},[3412,16623,4431],{"class":3442},[3412,16625,16626],{"class":3414,"line":3740},[3412,16627,16628],{"class":3442},"    dataclass автоматично генерує __init__, __repr__ та __eq__.\n",[3412,16630,16631],{"class":3414,"line":3746},[3412,16632,16633],{"class":3442},"    frozen=True робить об'єкт незмінним та автоматично додає __hash__.\n",[3412,16635,16636],{"class":3414,"line":3752},[3412,16637,9486],{"class":3442},[3412,16639,16640,16643],{"class":3414,"line":3758},[3412,16641,16642],{"class":3418},"    name: ",[3412,16644,16645],{"class":3969},"str\n",[3412,16647,16648,16651,16653],{"class":3414,"line":3764},[3412,16649,16650],{"class":3418},"    price: ",[3412,16652,4865],{"class":3969},[3412,16654,16655],{"class":3432},"      # ціна за одиницю, грн\n",[3412,16657,16658,16661,16663,16665],{"class":3414,"line":3770},[3412,16659,16660],{"class":3418},"    quantity: ",[3412,16662,5543],{"class":3969},[3412,16664,4008],{"class":3418},[3412,16666,10320],{"class":3422},[3412,16668,16669],{"class":3414,"line":3776},[3412,16670,3737],{"emptyLinePlaceholder":3736},[3412,16672,16673,16675],{"class":3414,"line":3782},[3412,16674,4883],{"class":4005},[3412,16676,4886],{"class":3969},[3412,16678,16679,16681,16684,16686,16688,16690,16692],{"class":3414,"line":3788},[3412,16680,4086],{"class":3965},[3412,16682,16683],{"class":4005}," total",[3412,16685,4034],{"class":3418},[3412,16687,4095],{"class":4094},[3412,16689,4524],{"class":3418},[3412,16691,4865],{"class":3969},[3412,16693,3973],{"class":3418},[3412,16695,16696],{"class":3414,"line":3793},[3412,16697,16698],{"class":3442},"        \"\"\"Загальна вартість позиції.\"\"\"\n",[3412,16700,16701,16703,16705,16708,16710],{"class":3414,"line":3798},[3412,16702,4103],{"class":3978},[3412,16704,4910],{"class":3965},[3412,16706,16707],{"class":3418},".price * ",[3412,16709,4095],{"class":3965},[3412,16711,16712],{"class":3418},".quantity\n",[3412,16714,16715],{"class":3414,"line":3804},[3412,16716,3737],{"emptyLinePlaceholder":3736},[3412,16718,16719,16721,16724,16726,16728,16730,16733,16735,16737],{"class":3414,"line":3810},[3412,16720,4086],{"class":3965},[3412,16722,16723],{"class":4005}," with_quantity",[3412,16725,4034],{"class":3418},[3412,16727,4095],{"class":4094},[3412,16729,3501],{"class":3418},[3412,16731,16732],{"class":4094},"qty",[3412,16734,4014],{"class":3418},[3412,16736,5543],{"class":3969},[3412,16738,16739],{"class":3418},") -> CartItem:\n",[3412,16741,16742],{"class":3414,"line":3816},[3412,16743,16744],{"class":3442},"        \"\"\"Повертає новий CartItem з оновленою кількістю (незмінний патерн).\"\"\"\n",[3412,16746,16747,16749,16752,16754,16756,16758,16761,16764,16766,16768,16771,16774],{"class":3414,"line":3822},[3412,16748,4103],{"class":3978},[3412,16750,16751],{"class":3418}," CartItem(",[3412,16753,14581],{"class":4094},[3412,16755,10504],{"class":3418},[3412,16757,4095],{"class":3965},[3412,16759,16760],{"class":3418},".name, ",[3412,16762,16763],{"class":4094},"price",[3412,16765,10504],{"class":3418},[3412,16767,4095],{"class":3965},[3412,16769,16770],{"class":3418},".price, ",[3412,16772,16773],{"class":4094},"quantity",[3412,16775,16776],{"class":3418},"=qty)\n",[3412,16778,16779],{"class":3414,"line":3828},[3412,16780,3737],{"emptyLinePlaceholder":3736},[3412,16782,16783,16785,16788,16790,16792,16794,16797,16799,16801],{"class":3414,"line":3834},[3412,16784,4086],{"class":3965},[3412,16786,16787],{"class":4005}," with_price",[3412,16789,4034],{"class":3418},[3412,16791,4095],{"class":4094},[3412,16793,3501],{"class":3418},[3412,16795,16796],{"class":4094},"new_price",[3412,16798,4014],{"class":3418},[3412,16800,4865],{"class":3969},[3412,16802,16739],{"class":3418},[3412,16804,16805],{"class":3414,"line":3840},[3412,16806,16807],{"class":3442},"        \"\"\"Повертає новий CartItem з оновленою ціною.\"\"\"\n",[3412,16809,16810,16812,16814,16816,16818,16820,16822,16824,16827,16829,16831,16833],{"class":3414,"line":3846},[3412,16811,4103],{"class":3978},[3412,16813,16751],{"class":3418},[3412,16815,14581],{"class":4094},[3412,16817,10504],{"class":3418},[3412,16819,4095],{"class":3965},[3412,16821,16760],{"class":3418},[3412,16823,16763],{"class":4094},[3412,16825,16826],{"class":3418},"=new_price, ",[3412,16828,16773],{"class":4094},[3412,16830,10504],{"class":3418},[3412,16832,4095],{"class":3965},[3412,16834,16835],{"class":3418},".quantity)\n",[3403,16837,16840],{"className":3405,"code":16838,"filename":16839,"language":3407,"meta":3408,"style":3408},"from __future__ import annotations\nfrom types import TracebackType\nfrom typing import Iterator\nfrom .models import CartItem\n\n\nclass ShoppingCart:\n    \"\"\"\n    Кошик покупок із повною підтримкою протоколів Python.\n\n    Протоколи:\n      Представлення  → __repr__, __str__\n      Контейнер      → __len__, __bool__, __contains__,\n                       __getitem__, __setitem__, __delitem__, __iter__\n      Арифметика     → __add__, __iadd__\n      Порівняння     → __eq__\n      Виклик         → __call__  (застосувати знижку)\n      Контекст       → __enter__, __exit__  (транзакційне редагування)\n    \"\"\"\n\n    def __init__(self, owner: str = \"Гість\"):\n        self._owner = owner\n        # Внутрішнє сховище: ім'я товару → CartItem\n        self._items: dict[str, CartItem] = {}\n        # Збережений стан для відкату у __exit__\n        self._snapshot: dict[str, CartItem] | None = None\n\n    # ------------------------------------------------------------------ #\n    #  Протокол представлення                                              #\n    # ------------------------------------------------------------------ #\n\n    def __repr__(self) -> str:\n        \"\"\"Детальне представлення для розробника \u002F логів.\"\"\"\n        items_repr = \", \".join(repr(item) for item in self._items.values())\n        return f\"ShoppingCart(owner={self._owner!r}, items=[{items_repr}])\"\n\n    def __str__(self) -> str:\n        \"\"\"Форматована таблиця для відображення користувачу.\"\"\"\n        if not self._items:\n            return f\"Кошик [{self._owner}] порожній\"\n\n        lines = [f\"Кошик покупок: {self._owner}\", \"─\" * 44]\n        for item in self._items.values():\n            lines.append(\n                f\"  {item.name:\u003C20} {item.quantity:>3} шт × \"\n                f\"{item.price:>7.2f} = {item.total:>9.2f} грн\"\n            )\n        lines.append(\"─\" * 44)\n        lines.append(f\"  {'РАЗОМ:':\u003C34} {self.total:>9.2f} грн\")\n        return \"\\n\".join(lines)\n\n    # ------------------------------------------------------------------ #\n    #  Контейнерний протокол                                               #\n    # ------------------------------------------------------------------ #\n\n    def __len__(self) -> int:\n        \"\"\"Кількість унікальних позицій у кошику.\"\"\"\n        return len(self._items)\n\n    def __bool__(self) -> bool:\n        \"\"\"True якщо кошик не порожній.\"\"\"\n        return bool(self._items)\n\n    def __contains__(self, name: object) -> bool:\n        \"\"\"Перевірка наявності товару: 'Ноутбук' in cart.\"\"\"\n        return name in self._items\n\n    def __getitem__(self, name: str) -> CartItem:\n        \"\"\"\n        Доступ до позиції за назвою: cart['Ноутбук'].\n        Підіймає KeyError якщо товару немає.\n        \"\"\"\n        if name not in self._items:\n            raise KeyError(f\"Товар {name!r} відсутній у кошику\")\n        return self._items[name]\n\n    def __setitem__(self, name: str, item: CartItem) -> None:\n        \"\"\"\n        Додавання або оновлення позиції: cart['Ноутбук'] = CartItem(...).\n        Якщо товар вже є — кількості підсумовуються.\n        \"\"\"\n        if name in self._items:\n            existing = self._items[name]\n            self._items[name] = existing.with_quantity(\n                existing.quantity + item.quantity\n            )\n        else:\n            self._items[name] = item\n\n    def __delitem__(self, name: str) -> None:\n        \"\"\"Видалення позиції: del cart['Миша'].\"\"\"\n        if name not in self._items:\n            raise KeyError(f\"Товар {name!r} відсутній у кошику\")\n        del self._items[name]\n\n    def __iter__(self) -> Iterator[CartItem]:\n        \"\"\"Ітерація по позиціях: for item in cart.\"\"\"\n        return iter(self._items.values())\n\n    # ------------------------------------------------------------------ #\n    #  Арифметичний протокол                                               #\n    # ------------------------------------------------------------------ #\n\n    def __add__(self, other: ShoppingCart) -> ShoppingCart:\n        \"\"\"\n        Об'єднання двох кошиків: merged = cart1 + cart2.\n        Повертає НОВИЙ кошик — cart1 і cart2 не змінюються.\n        При збігу назв — кількості підсумовуються.\n        \"\"\"\n        if not isinstance(other, ShoppingCart):\n            return NotImplemented\n        merged = ShoppingCart(owner=f\"{self._owner}+{other._owner}\")\n        for item in self:\n            merged[item.name] = item\n        for item in other:\n            merged[item.name] = item\n        return merged\n\n    def __iadd__(self, other: ShoppingCart) -> ShoppingCart:\n        \"\"\"\n        In-place об'єднання: cart1 += cart2.\n        Мутує cart1, не створює новий об'єкт.\n        \"\"\"\n        if not isinstance(other, ShoppingCart):\n            return NotImplemented\n        for item in other:\n            self[item.name] = item\n        return self\n\n    # ------------------------------------------------------------------ #\n    #  Протокол порівняння                                                 #\n    # ------------------------------------------------------------------ #\n\n    def __eq__(self, other: object) -> bool:\n        \"\"\"\n        Два кошики рівні якщо містять однакові позиції\n        (незалежно від власника).\n        \"\"\"\n        if not isinstance(other, ShoppingCart):\n            return NotImplemented\n        return self._items == other._items\n\n    # ------------------------------------------------------------------ #\n    #  Протокол виклику                                                    #\n    # ------------------------------------------------------------------ #\n\n    def __call__(self, discount: float) -> ShoppingCart:\n        \"\"\"\n        Застосовує відсоткову знижку до всіх позицій.\n        \n        cart(0.1)  → знижка 10%\n        cart(0.25) → знижка 25%\n        \n        Повертає self для можливості ланцюгового виклику.\n        \"\"\"\n        if not (0 \u003C discount \u003C 1):\n            raise ValueError(f\"Знижка має бути у діапазоні (0, 1), отримано: {discount}\")\n        factor = 1 - discount\n        self._items = {\n            name: item.with_price(round(item.price * factor, 2))\n            for name, item in self._items.items()\n        }\n        return self\n\n    # ------------------------------------------------------------------ #\n    #  Протокол контекстного менеджера                                     #\n    # ------------------------------------------------------------------ #\n\n    def __enter__(self) -> ShoppingCart:\n        \"\"\"\n        Фіксує поточний стан кошика як знімок (snapshot).\n        При виключенні всередині блоку — стан буде відновлено.\n        \"\"\"\n        import copy\n        self._snapshot = copy.deepcopy(self._items)\n        return self\n\n    def __exit__(\n        self,\n        exc_type: type[BaseException] | None,\n        exc_val: BaseException | None,\n        exc_tb: TracebackType | None,\n    ) -> bool:\n        if exc_type is not None and self._snapshot is not None:\n            # Відновлюємо стан до моменту входу в блок with\n            self._items = self._snapshot\n        self._snapshot = None\n        return False  # не пригнічуємо виключення\n\n    # ------------------------------------------------------------------ #\n    #  Допоміжні властивості                                               #\n    # ------------------------------------------------------------------ #\n\n    @property\n    def total(self) -> float:\n        \"\"\"Загальна вартість усіх позицій у кошику.\"\"\"\n        return sum(item.total for item in self._items.values())\n\n    @property\n    def item_count(self) -> int:\n        \"\"\"Загальна кількість одиниць товару (не позицій).\"\"\"\n        return sum(item.quantity for item in self._items.values())\n","shop\u002Fcart.py",[3394,16841,16842,16852,16862,16872,16884,16888,16892,16901,16905,16910,16914,16919,16924,16929,16934,16939,16944,16949,16954,16958,16962,16988,16995,17000,17012,17017,17035,17039,17044,17049,17053,17057,17073,17078,17105,17134,17138,17154,17159,17170,17188,17192,17223,17236,17241,17268,17295,17299,17312,17341,17357,17361,17365,17370,17374,17378,17394,17399,17412,17416,17432,17437,17449,17453,17477,17482,17495,17499,17519,17523,17528,17533,17537,17551,17576,17585,17589,17619,17623,17628,17633,17637,17649,17658,17665,17670,17674,17680,17687,17691,17716,17721,17735,17757,17766,17770,17783,17788,17801,17805,17809,17814,17818,17822,17839,17843,17848,17853,17858,17862,17873,17879,17911,17923,17928,17939,17943,17950,17954,17970,17974,17979,17984,17988,17998,18004,18014,18021,18027,18031,18035,18040,18045,18050,18075,18080,18086,18092,18097,18108,18115,18125,18130,18135,18141,18146,18151,18174,18179,18185,18190,18196,18202,18207,18213,18218,18236,18260,18271,18279,18295,18311,18316,18323,18328,18333,18339,18344,18349,18362,18367,18373,18379,18384,18392,18404,18411,18416,18425,18432,18447,18462,18473,18482,18510,18516,18529,18539,18548,18553,18558,18564,18569,18574,18581,18598,18604,18625,18630,18637,18655,18661],{"__ignoreMap":3408},[3412,16843,16844,16846,16848,16850],{"class":3414,"line":3415},[3412,16845,4399],{"class":3978},[3412,16847,5495],{"class":4094},[3412,16849,5498],{"class":3978},[3412,16851,5501],{"class":3418},[3412,16853,16854,16856,16858,16860],{"class":3414,"line":3436},[3412,16855,4399],{"class":3978},[3412,16857,12811],{"class":3418},[3412,16859,4405],{"class":3978},[3412,16861,12816],{"class":3418},[3412,16863,16864,16866,16868,16870],{"class":3414,"line":3454},[3412,16865,4399],{"class":3978},[3412,16867,9444],{"class":3418},[3412,16869,4405],{"class":3978},[3412,16871,16239],{"class":3418},[3412,16873,16874,16876,16879,16881],{"class":3414,"line":3703},[3412,16875,4399],{"class":3978},[3412,16877,16878],{"class":3418}," .models ",[3412,16880,4405],{"class":3978},[3412,16882,16883],{"class":3418}," CartItem\n",[3412,16885,16886],{"class":3414,"line":3709},[3412,16887,3737],{"emptyLinePlaceholder":3736},[3412,16889,16890],{"class":3414,"line":3715},[3412,16891,3737],{"emptyLinePlaceholder":3736},[3412,16893,16894,16896,16899],{"class":3414,"line":3721},[3412,16895,3966],{"class":3965},[3412,16897,16898],{"class":3969}," ShoppingCart",[3412,16900,3973],{"class":3418},[3412,16902,16903],{"class":3414,"line":3727},[3412,16904,9486],{"class":3442},[3412,16906,16907],{"class":3414,"line":3733},[3412,16908,16909],{"class":3442},"    Кошик покупок із повною підтримкою протоколів Python.\n",[3412,16911,16912],{"class":3414,"line":3740},[3412,16913,3737],{"emptyLinePlaceholder":3736},[3412,16915,16916],{"class":3414,"line":3746},[3412,16917,16918],{"class":3442},"    Протоколи:\n",[3412,16920,16921],{"class":3414,"line":3752},[3412,16922,16923],{"class":3442},"      Представлення  → __repr__, __str__\n",[3412,16925,16926],{"class":3414,"line":3758},[3412,16927,16928],{"class":3442},"      Контейнер      → __len__, __bool__, __contains__,\n",[3412,16930,16931],{"class":3414,"line":3764},[3412,16932,16933],{"class":3442},"                       __getitem__, __setitem__, __delitem__, __iter__\n",[3412,16935,16936],{"class":3414,"line":3770},[3412,16937,16938],{"class":3442},"      Арифметика     → __add__, __iadd__\n",[3412,16940,16941],{"class":3414,"line":3776},[3412,16942,16943],{"class":3442},"      Порівняння     → __eq__\n",[3412,16945,16946],{"class":3414,"line":3782},[3412,16947,16948],{"class":3442},"      Виклик         → __call__  (застосувати знижку)\n",[3412,16950,16951],{"class":3414,"line":3788},[3412,16952,16953],{"class":3442},"      Контекст       → __enter__, __exit__  (транзакційне редагування)\n",[3412,16955,16956],{"class":3414,"line":3793},[3412,16957,9486],{"class":3442},[3412,16959,16960],{"class":3414,"line":3798},[3412,16961,3737],{"emptyLinePlaceholder":3736},[3412,16963,16964,16966,16968,16970,16972,16974,16977,16979,16981,16983,16986],{"class":3414,"line":3804},[3412,16965,4086],{"class":3965},[3412,16967,4438],{"class":4005},[3412,16969,4034],{"class":3418},[3412,16971,4095],{"class":4094},[3412,16973,3501],{"class":3418},[3412,16975,16976],{"class":4094},"owner",[3412,16978,4014],{"class":3418},[3412,16980,4452],{"class":3969},[3412,16982,4008],{"class":3418},[3412,16984,16985],{"class":3442},"\"Гість\"",[3412,16987,4098],{"class":3418},[3412,16989,16990,16992],{"class":3414,"line":3810},[3412,16991,4483],{"class":3965},[3412,16993,16994],{"class":3418},"._owner = owner\n",[3412,16996,16997],{"class":3414,"line":3816},[3412,16998,16999],{"class":3432},"        # Внутрішнє сховище: ім'я товару → CartItem\n",[3412,17001,17002,17004,17007,17009],{"class":3414,"line":3822},[3412,17003,4483],{"class":3965},[3412,17005,17006],{"class":3418},"._items: dict[",[3412,17008,4452],{"class":3969},[3412,17010,17011],{"class":3418},", CartItem] = {}\n",[3412,17013,17014],{"class":3414,"line":3828},[3412,17015,17016],{"class":3432},"        # Збережений стан для відкату у __exit__\n",[3412,17018,17019,17021,17024,17026,17029,17031,17033],{"class":3414,"line":3834},[3412,17020,4483],{"class":3965},[3412,17022,17023],{"class":3418},"._snapshot: dict[",[3412,17025,4452],{"class":3969},[3412,17027,17028],{"class":3418},", CartItem] | ",[3412,17030,4472],{"class":3965},[3412,17032,4008],{"class":3418},[3412,17034,11805],{"class":3965},[3412,17036,17037],{"class":3414,"line":3840},[3412,17038,3737],{"emptyLinePlaceholder":3736},[3412,17040,17041],{"class":3414,"line":3846},[3412,17042,17043],{"class":3432},"    # ------------------------------------------------------------------ #\n",[3412,17045,17046],{"class":3414,"line":3851},[3412,17047,17048],{"class":3432},"    #  Протокол представлення                                              #\n",[3412,17050,17051],{"class":3414,"line":3856},[3412,17052,17043],{"class":3432},[3412,17054,17055],{"class":3414,"line":3862},[3412,17056,3737],{"emptyLinePlaceholder":3736},[3412,17058,17059,17061,17063,17065,17067,17069,17071],{"class":3414,"line":3868},[3412,17060,4086],{"class":3965},[3412,17062,4517],{"class":4005},[3412,17064,4034],{"class":3418},[3412,17066,4095],{"class":4094},[3412,17068,4524],{"class":3418},[3412,17070,4452],{"class":3969},[3412,17072,3973],{"class":3418},[3412,17074,17075],{"class":3414,"line":3874},[3412,17076,17077],{"class":3442},"        \"\"\"Детальне представлення для розробника \u002F логів.\"\"\"\n",[3412,17079,17080,17083,17086,17088,17090,17093,17095,17098,17100,17102],{"class":3414,"line":3880},[3412,17081,17082],{"class":3418},"        items_repr = ",[3412,17084,17085],{"class":3442},"\", \"",[3412,17087,9745],{"class":3418},[3412,17089,4761],{"class":4005},[3412,17091,17092],{"class":3418},"(item) ",[3412,17094,9753],{"class":3978},[3412,17096,17097],{"class":3418}," item ",[3412,17099,9362],{"class":3978},[3412,17101,4910],{"class":3965},[3412,17103,17104],{"class":3418},"._items.values())\n",[3412,17106,17107,17109,17111,17114,17116,17119,17121,17124,17126,17129,17131],{"class":3414,"line":3886},[3412,17108,4103],{"class":3978},[3412,17110,4672],{"class":3965},[3412,17112,17113],{"class":3442},"\"ShoppingCart(owner=",[3412,17115,4563],{"class":3965},[3412,17117,17118],{"class":3418},"._owner",[3412,17120,4569],{"class":3965},[3412,17122,17123],{"class":3442},", items=[",[3412,17125,4678],{"class":3965},[3412,17127,17128],{"class":3418},"items_repr",[3412,17130,4684],{"class":3965},[3412,17132,17133],{"class":3442},"])\"\n",[3412,17135,17136],{"class":3414,"line":3892},[3412,17137,3737],{"emptyLinePlaceholder":3736},[3412,17139,17140,17142,17144,17146,17148,17150,17152],{"class":3414,"line":3898},[3412,17141,4086],{"class":3965},[3412,17143,4628],{"class":4005},[3412,17145,4034],{"class":3418},[3412,17147,4095],{"class":4094},[3412,17149,4524],{"class":3418},[3412,17151,4452],{"class":3969},[3412,17153,3973],{"class":3418},[3412,17155,17156],{"class":3414,"line":3903},[3412,17157,17158],{"class":3442},"        \"\"\"Форматована таблиця для відображення користувачу.\"\"\"\n",[3412,17160,17161,17163,17165,17167],{"class":3414,"line":3909},[3412,17162,5107],{"class":3978},[3412,17164,5789],{"class":3965},[3412,17166,4910],{"class":3965},[3412,17168,17169],{"class":3418},"._items:\n",[3412,17171,17172,17174,17176,17179,17181,17183,17185],{"class":3414,"line":3915},[3412,17173,5120],{"class":3978},[3412,17175,4672],{"class":3965},[3412,17177,17178],{"class":3442},"\"Кошик [",[3412,17180,4563],{"class":3965},[3412,17182,17118],{"class":3418},[3412,17184,4684],{"class":3965},[3412,17186,17187],{"class":3442},"] порожній\"\n",[3412,17189,17190],{"class":3414,"line":3921},[3412,17191,3737],{"emptyLinePlaceholder":3736},[3412,17193,17194,17197,17199,17202,17204,17206,17208,17210,17212,17215,17218,17221],{"class":3414,"line":3927},[3412,17195,17196],{"class":3418},"        lines = [",[3412,17198,5220],{"class":3965},[3412,17200,17201],{"class":3442},"\"Кошик покупок: ",[3412,17203,4563],{"class":3965},[3412,17205,17118],{"class":3418},[3412,17207,4684],{"class":3965},[3412,17209,5033],{"class":3442},[3412,17211,3501],{"class":3418},[3412,17213,17214],{"class":3442},"\"─\"",[3412,17216,17217],{"class":3418}," * ",[3412,17219,17220],{"class":3422},"44",[3412,17222,11887],{"class":3418},[3412,17224,17225,17227,17229,17231,17233],{"class":3414,"line":3933},[3412,17226,9886],{"class":3978},[3412,17228,17097],{"class":3418},[3412,17230,9362],{"class":3978},[3412,17232,4910],{"class":3965},[3412,17234,17235],{"class":3418},"._items.values():\n",[3412,17237,17238],{"class":3414,"line":6004},[3412,17239,17240],{"class":3418},"            lines.append(\n",[3412,17242,17243,17245,17248,17250,17253,17256,17259,17262,17265],{"class":3414,"line":6015},[3412,17244,9997],{"class":3965},[3412,17246,17247],{"class":3442},"\"  ",[3412,17249,4678],{"class":3965},[3412,17251,17252],{"class":3418},"item.name",[3412,17254,17255],{"class":3965},":\u003C20}",[3412,17257,17258],{"class":3965}," {",[3412,17260,17261],{"class":3418},"item.quantity",[3412,17263,17264],{"class":3965},":>3}",[3412,17266,17267],{"class":3442}," шт × \"\n",[3412,17269,17270,17272,17274,17276,17279,17282,17284,17286,17289,17292],{"class":3414,"line":6022},[3412,17271,9997],{"class":3965},[3412,17273,5033],{"class":3442},[3412,17275,4678],{"class":3965},[3412,17277,17278],{"class":3418},"item.price",[3412,17280,17281],{"class":3965},":>7.2f}",[3412,17283,4008],{"class":3442},[3412,17285,4678],{"class":3965},[3412,17287,17288],{"class":3418},"item.total",[3412,17290,17291],{"class":3965},":>9.2f}",[3412,17293,17294],{"class":3442}," грн\"\n",[3412,17296,17297],{"class":3414,"line":6032},[3412,17298,10023],{"class":3418},[3412,17300,17301,17304,17306,17308,17310],{"class":3414,"line":6037},[3412,17302,17303],{"class":3418},"        lines.append(",[3412,17305,17214],{"class":3442},[3412,17307,17217],{"class":3418},[3412,17309,17220],{"class":3422},[3412,17311,4665],{"class":3418},[3412,17313,17314,17316,17318,17320,17322,17325,17328,17331,17334,17336,17339],{"class":3414,"line":6042},[3412,17315,17303],{"class":3418},[3412,17317,5220],{"class":3965},[3412,17319,17247],{"class":3442},[3412,17321,4678],{"class":3965},[3412,17323,17324],{"class":3442},"'РАЗОМ:'",[3412,17326,17327],{"class":3965},":\u003C34}",[3412,17329,17330],{"class":3965}," {self",[3412,17332,17333],{"class":3418},".total",[3412,17335,17291],{"class":3965},[3412,17337,17338],{"class":3442}," грн\"",[3412,17340,4665],{"class":3418},[3412,17342,17343,17345,17348,17352,17354],{"class":3414,"line":6063},[3412,17344,4103],{"class":3978},[3412,17346,17347],{"class":3442}," \"",[3412,17349,17351],{"class":17350},"sjcCO","\\n",[3412,17353,5033],{"class":3442},[3412,17355,17356],{"class":3418},".join(lines)\n",[3412,17358,17359],{"class":3414,"line":6083},[3412,17360,3737],{"emptyLinePlaceholder":3736},[3412,17362,17363],{"class":3414,"line":6101},[3412,17364,17043],{"class":3432},[3412,17366,17367],{"class":3414,"line":6106},[3412,17368,17369],{"class":3432},"    #  Контейнерний протокол                                               #\n",[3412,17371,17372],{"class":3414,"line":6117},[3412,17373,17043],{"class":3432},[3412,17375,17376],{"class":3414,"line":6128},[3412,17377,3737],{"emptyLinePlaceholder":3736},[3412,17379,17380,17382,17384,17386,17388,17390,17392],{"class":3414,"line":6138},[3412,17381,4086],{"class":3965},[3412,17383,4089],{"class":4005},[3412,17385,4034],{"class":3418},[3412,17387,4095],{"class":4094},[3412,17389,4524],{"class":3418},[3412,17391,5543],{"class":3969},[3412,17393,3973],{"class":3418},[3412,17395,17396],{"class":3414,"line":6148},[3412,17397,17398],{"class":3442},"        \"\"\"Кількість унікальних позицій у кошику.\"\"\"\n",[3412,17400,17401,17403,17405,17407,17409],{"class":3414,"line":6153},[3412,17402,4103],{"class":3978},[3412,17404,12032],{"class":4005},[3412,17406,4034],{"class":3418},[3412,17408,4095],{"class":3965},[3412,17410,17411],{"class":3418},"._items)\n",[3412,17413,17414],{"class":3414,"line":6159},[3412,17415,3737],{"emptyLinePlaceholder":3736},[3412,17417,17418,17420,17422,17424,17426,17428,17430],{"class":3414,"line":6203},[3412,17419,4086],{"class":3965},[3412,17421,8206],{"class":4005},[3412,17423,4034],{"class":3418},[3412,17425,4095],{"class":4094},[3412,17427,4524],{"class":3418},[3412,17429,5780],{"class":3969},[3412,17431,3973],{"class":3418},[3412,17433,17434],{"class":3414,"line":6216},[3412,17435,17436],{"class":3442},"        \"\"\"True якщо кошик не порожній.\"\"\"\n",[3412,17438,17439,17441,17443,17445,17447],{"class":3414,"line":8140},[3412,17440,4103],{"class":3978},[3412,17442,8224],{"class":3969},[3412,17444,4034],{"class":3418},[3412,17446,4095],{"class":3965},[3412,17448,17411],{"class":3418},[3412,17450,17451],{"class":3414,"line":8146},[3412,17452,3737],{"emptyLinePlaceholder":3736},[3412,17454,17455,17457,17459,17461,17463,17465,17467,17469,17471,17473,17475],{"class":3414,"line":8164},[3412,17456,4086],{"class":3965},[3412,17458,9857],{"class":4005},[3412,17460,4034],{"class":3418},[3412,17462,4095],{"class":4094},[3412,17464,3501],{"class":3418},[3412,17466,14581],{"class":4094},[3412,17468,4014],{"class":3418},[3412,17470,5775],{"class":3969},[3412,17472,4524],{"class":3418},[3412,17474,5780],{"class":3969},[3412,17476,3973],{"class":3418},[3412,17478,17479],{"class":3414,"line":8190},[3412,17480,17481],{"class":3442},"        \"\"\"Перевірка наявності товару: 'Ноутбук' in cart.\"\"\"\n",[3412,17483,17484,17486,17488,17490,17492],{"class":3414,"line":8195},[3412,17485,4103],{"class":3978},[3412,17487,15195],{"class":3418},[3412,17489,9362],{"class":3965},[3412,17491,4910],{"class":3965},[3412,17493,17494],{"class":3418},"._items\n",[3412,17496,17497],{"class":3414,"line":8201},[3412,17498,3737],{"emptyLinePlaceholder":3736},[3412,17500,17501,17503,17505,17507,17509,17511,17513,17515,17517],{"class":3414,"line":8219},[3412,17502,4086],{"class":3965},[3412,17504,9929],{"class":4005},[3412,17506,4034],{"class":3418},[3412,17508,4095],{"class":4094},[3412,17510,3501],{"class":3418},[3412,17512,14581],{"class":4094},[3412,17514,4014],{"class":3418},[3412,17516,4452],{"class":3969},[3412,17518,16739],{"class":3418},[3412,17520,17521],{"class":3414,"line":8240},[3412,17522,5078],{"class":3442},[3412,17524,17525],{"class":3414,"line":8245},[3412,17526,17527],{"class":3442},"        Доступ до позиції за назвою: cart['Ноутбук'].\n",[3412,17529,17530],{"class":3414,"line":8270},[3412,17531,17532],{"class":3442},"        Підіймає KeyError якщо товару немає.\n",[3412,17534,17535],{"class":3414,"line":8281},[3412,17536,5078],{"class":3442},[3412,17538,17539,17541,17543,17545,17547,17549],{"class":3414,"line":8288},[3412,17540,5107],{"class":3978},[3412,17542,15195],{"class":3418},[3412,17544,6543],{"class":3965},[3412,17546,6546],{"class":3965},[3412,17548,4910],{"class":3965},[3412,17550,17169],{"class":3418},[3412,17552,17553,17555,17558,17560,17562,17565,17567,17569,17571,17574],{"class":3414,"line":8303},[3412,17554,6556],{"class":3978},[3412,17556,17557],{"class":3969}," KeyError",[3412,17559,4034],{"class":3418},[3412,17561,5220],{"class":3965},[3412,17563,17564],{"class":3442},"\"Товар ",[3412,17566,4678],{"class":3965},[3412,17568,14581],{"class":3418},[3412,17570,4569],{"class":3965},[3412,17572,17573],{"class":3442}," відсутній у кошику\"",[3412,17575,4665],{"class":3418},[3412,17577,17578,17580,17582],{"class":3414,"line":8308},[3412,17579,4103],{"class":3978},[3412,17581,4910],{"class":3965},[3412,17583,17584],{"class":3418},"._items[name]\n",[3412,17586,17587],{"class":3414,"line":8313},[3412,17588,3737],{"emptyLinePlaceholder":3736},[3412,17590,17591,17593,17596,17598,17600,17602,17604,17606,17608,17610,17612,17615,17617],{"class":3414,"line":8319},[3412,17592,4086],{"class":3965},[3412,17594,17595],{"class":4005}," __setitem__",[3412,17597,4034],{"class":3418},[3412,17599,4095],{"class":4094},[3412,17601,3501],{"class":3418},[3412,17603,14581],{"class":4094},[3412,17605,4014],{"class":3418},[3412,17607,4452],{"class":3969},[3412,17609,3501],{"class":3418},[3412,17611,9866],{"class":4094},[3412,17613,17614],{"class":3418},": CartItem) -> ",[3412,17616,4472],{"class":3965},[3412,17618,3973],{"class":3418},[3412,17620,17621],{"class":3414,"line":8333},[3412,17622,5078],{"class":3442},[3412,17624,17625],{"class":3414,"line":8348},[3412,17626,17627],{"class":3442},"        Додавання або оновлення позиції: cart['Ноутбук'] = CartItem(...).\n",[3412,17629,17630],{"class":3414,"line":8353},[3412,17631,17632],{"class":3442},"        Якщо товар вже є — кількості підсумовуються.\n",[3412,17634,17635],{"class":3414,"line":8364},[3412,17636,5078],{"class":3442},[3412,17638,17639,17641,17643,17645,17647],{"class":3414,"line":8375},[3412,17640,5107],{"class":3978},[3412,17642,15195],{"class":3418},[3412,17644,9362],{"class":3965},[3412,17646,4910],{"class":3965},[3412,17648,17169],{"class":3418},[3412,17650,17651,17654,17656],{"class":3414,"line":8392},[3412,17652,17653],{"class":3418},"            existing = ",[3412,17655,4095],{"class":3965},[3412,17657,17584],{"class":3418},[3412,17659,17660,17662],{"class":3414,"line":8407},[3412,17661,10314],{"class":3965},[3412,17663,17664],{"class":3418},"._items[name] = existing.with_quantity(\n",[3412,17666,17667],{"class":3414,"line":8418},[3412,17668,17669],{"class":3418},"                existing.quantity + item.quantity\n",[3412,17671,17672],{"class":3414,"line":8434},[3412,17673,10023],{"class":3418},[3412,17675,17676,17678],{"class":3414,"line":8459},[3412,17677,5170],{"class":3978},[3412,17679,3973],{"class":3418},[3412,17681,17682,17684],{"class":3414,"line":8473},[3412,17683,10314],{"class":3965},[3412,17685,17686],{"class":3418},"._items[name] = item\n",[3412,17688,17689],{"class":3414,"line":8478},[3412,17690,3737],{"emptyLinePlaceholder":3736},[3412,17692,17693,17695,17698,17700,17702,17704,17706,17708,17710,17712,17714],{"class":3414,"line":8484},[3412,17694,4086],{"class":3965},[3412,17696,17697],{"class":4005}," __delitem__",[3412,17699,4034],{"class":3418},[3412,17701,4095],{"class":4094},[3412,17703,3501],{"class":3418},[3412,17705,14581],{"class":4094},[3412,17707,4014],{"class":3418},[3412,17709,4452],{"class":3969},[3412,17711,4524],{"class":3418},[3412,17713,4472],{"class":3965},[3412,17715,3973],{"class":3418},[3412,17717,17718],{"class":3414,"line":8515},[3412,17719,17720],{"class":3442},"        \"\"\"Видалення позиції: del cart['Миша'].\"\"\"\n",[3412,17722,17723,17725,17727,17729,17731,17733],{"class":3414,"line":8530},[3412,17724,5107],{"class":3978},[3412,17726,15195],{"class":3418},[3412,17728,6543],{"class":3965},[3412,17730,6546],{"class":3965},[3412,17732,4910],{"class":3965},[3412,17734,17169],{"class":3418},[3412,17736,17737,17739,17741,17743,17745,17747,17749,17751,17753,17755],{"class":3414,"line":8541},[3412,17738,6556],{"class":3978},[3412,17740,17557],{"class":3969},[3412,17742,4034],{"class":3418},[3412,17744,5220],{"class":3965},[3412,17746,17564],{"class":3442},[3412,17748,4678],{"class":3965},[3412,17750,14581],{"class":3418},[3412,17752,4569],{"class":3965},[3412,17754,17573],{"class":3442},[3412,17756,4665],{"class":3418},[3412,17758,17759,17762,17764],{"class":3414,"line":8546},[3412,17760,17761],{"class":3978},"        del",[3412,17763,4910],{"class":3965},[3412,17765,17584],{"class":3418},[3412,17767,17768],{"class":3414,"line":8552},[3412,17769,3737],{"emptyLinePlaceholder":3736},[3412,17771,17772,17774,17776,17778,17780],{"class":3414,"line":8564},[3412,17773,4086],{"class":3965},[3412,17775,10081],{"class":4005},[3412,17777,4034],{"class":3418},[3412,17779,4095],{"class":4094},[3412,17781,17782],{"class":3418},") -> Iterator[CartItem]:\n",[3412,17784,17785],{"class":3414,"line":8578},[3412,17786,17787],{"class":3442},"        \"\"\"Ітерація по позиціях: for item in cart.\"\"\"\n",[3412,17789,17790,17792,17795,17797,17799],{"class":3414,"line":8589},[3412,17791,4103],{"class":3978},[3412,17793,17794],{"class":4005}," iter",[3412,17796,4034],{"class":3418},[3412,17798,4095],{"class":3965},[3412,17800,17104],{"class":3418},[3412,17802,17803],{"class":3414,"line":10450},[3412,17804,3737],{"emptyLinePlaceholder":3736},[3412,17806,17807],{"class":3414,"line":10460},[3412,17808,17043],{"class":3432},[3412,17810,17811],{"class":3414,"line":10470},[3412,17812,17813],{"class":3432},"    #  Арифметичний протокол                                               #\n",[3412,17815,17816],{"class":3414,"line":10475},[3412,17817,17043],{"class":3432},[3412,17819,17820],{"class":3414,"line":10480},[3412,17821,3737],{"emptyLinePlaceholder":3736},[3412,17823,17824,17826,17828,17830,17832,17834,17836],{"class":3414,"line":10486},[3412,17825,4086],{"class":3965},[3412,17827,7726],{"class":4005},[3412,17829,4034],{"class":3418},[3412,17831,4095],{"class":4094},[3412,17833,3501],{"class":3418},[3412,17835,5770],{"class":4094},[3412,17837,17838],{"class":3418},": ShoppingCart) -> ShoppingCart:\n",[3412,17840,17841],{"class":3414,"line":10491},[3412,17842,5078],{"class":3442},[3412,17844,17845],{"class":3414,"line":10511},[3412,17846,17847],{"class":3442},"        Об'єднання двох кошиків: merged = cart1 + cart2.\n",[3412,17849,17850],{"class":3414,"line":10516},[3412,17851,17852],{"class":3442},"        Повертає НОВИЙ кошик — cart1 і cart2 не змінюються.\n",[3412,17854,17855],{"class":3414,"line":10522},[3412,17856,17857],{"class":3442},"        При збігу назв — кількості підсумовуються.\n",[3412,17859,17860],{"class":3414,"line":10543},[3412,17861,5078],{"class":3442},[3412,17863,17864,17866,17868,17870],{"class":3414,"line":10549},[3412,17865,5107],{"class":3978},[3412,17867,5789],{"class":3965},[3412,17869,5792],{"class":4005},[3412,17871,17872],{"class":3418},"(other, ShoppingCart):\n",[3412,17874,17875,17877],{"class":3414,"line":10554},[3412,17876,5120],{"class":3978},[3412,17878,5857],{"class":3965},[3412,17880,17881,17884,17886,17888,17890,17892,17894,17896,17898,17900,17902,17905,17907,17909],{"class":3414,"line":10565},[3412,17882,17883],{"class":3418},"        merged = ShoppingCart(",[3412,17885,16976],{"class":4094},[3412,17887,10504],{"class":3418},[3412,17889,5220],{"class":3965},[3412,17891,5033],{"class":3442},[3412,17893,4563],{"class":3965},[3412,17895,17118],{"class":3418},[3412,17897,4684],{"class":3965},[3412,17899,3396],{"class":3442},[3412,17901,4678],{"class":3965},[3412,17903,17904],{"class":3418},"other._owner",[3412,17906,4684],{"class":3965},[3412,17908,5033],{"class":3442},[3412,17910,4665],{"class":3418},[3412,17912,17913,17915,17917,17919,17921],{"class":3414,"line":10580},[3412,17914,9886],{"class":3978},[3412,17916,17097],{"class":3418},[3412,17918,9362],{"class":3978},[3412,17920,4910],{"class":3965},[3412,17922,3973],{"class":3418},[3412,17924,17925],{"class":3414,"line":10596},[3412,17926,17927],{"class":3418},"            merged[item.name] = item\n",[3412,17929,17930,17932,17934,17936],{"class":3414,"line":10612},[3412,17931,9886],{"class":3978},[3412,17933,17097],{"class":3418},[3412,17935,9362],{"class":3978},[3412,17937,17938],{"class":3418}," other:\n",[3412,17940,17941],{"class":3414,"line":10628},[3412,17942,17927],{"class":3418},[3412,17944,17945,17947],{"class":3414,"line":10633},[3412,17946,4103],{"class":3978},[3412,17948,17949],{"class":3418}," merged\n",[3412,17951,17952],{"class":3414,"line":10639},[3412,17953,3737],{"emptyLinePlaceholder":3736},[3412,17955,17956,17958,17960,17962,17964,17966,17968],{"class":3414,"line":10653},[3412,17957,4086],{"class":3965},[3412,17959,7864],{"class":4005},[3412,17961,4034],{"class":3418},[3412,17963,4095],{"class":4094},[3412,17965,3501],{"class":3418},[3412,17967,5770],{"class":4094},[3412,17969,17838],{"class":3418},[3412,17971,17972],{"class":3414,"line":10665},[3412,17973,5078],{"class":3442},[3412,17975,17976],{"class":3414,"line":10675},[3412,17977,17978],{"class":3442},"        In-place об'єднання: cart1 += cart2.\n",[3412,17980,17981],{"class":3414,"line":10680},[3412,17982,17983],{"class":3442},"        Мутує cart1, не створює новий об'єкт.\n",[3412,17985,17986],{"class":3414,"line":10686},[3412,17987,5078],{"class":3442},[3412,17989,17990,17992,17994,17996],{"class":3414,"line":10706},[3412,17991,5107],{"class":3978},[3412,17993,5789],{"class":3965},[3412,17995,5792],{"class":4005},[3412,17997,17872],{"class":3418},[3412,17999,18000,18002],{"class":3414,"line":10711},[3412,18001,5120],{"class":3978},[3412,18003,5857],{"class":3965},[3412,18005,18006,18008,18010,18012],{"class":3414,"line":10717},[3412,18007,9886],{"class":3978},[3412,18009,17097],{"class":3418},[3412,18011,9362],{"class":3978},[3412,18013,17938],{"class":3418},[3412,18015,18016,18018],{"class":3414,"line":10740},[3412,18017,10314],{"class":3965},[3412,18019,18020],{"class":3418},"[item.name] = item\n",[3412,18022,18023,18025],{"class":3414,"line":10745},[3412,18024,4103],{"class":3978},[3412,18026,7916],{"class":3965},[3412,18028,18029],{"class":3414,"line":10751},[3412,18030,3737],{"emptyLinePlaceholder":3736},[3412,18032,18033],{"class":3414,"line":10757},[3412,18034,17043],{"class":3432},[3412,18036,18037],{"class":3414,"line":10790},[3412,18038,18039],{"class":3432},"    #  Протокол порівняння                                                 #\n",[3412,18041,18043],{"class":3414,"line":18042},132,[3412,18044,17043],{"class":3432},[3412,18046,18048],{"class":3414,"line":18047},133,[3412,18049,3737],{"emptyLinePlaceholder":3736},[3412,18051,18053,18055,18057,18059,18061,18063,18065,18067,18069,18071,18073],{"class":3414,"line":18052},134,[3412,18054,4086],{"class":3965},[3412,18056,5761],{"class":4005},[3412,18058,4034],{"class":3418},[3412,18060,4095],{"class":4094},[3412,18062,3501],{"class":3418},[3412,18064,5770],{"class":4094},[3412,18066,4014],{"class":3418},[3412,18068,5775],{"class":3969},[3412,18070,4524],{"class":3418},[3412,18072,5780],{"class":3969},[3412,18074,3973],{"class":3418},[3412,18076,18078],{"class":3414,"line":18077},135,[3412,18079,5078],{"class":3442},[3412,18081,18083],{"class":3414,"line":18082},136,[3412,18084,18085],{"class":3442},"        Два кошики рівні якщо містять однакові позиції\n",[3412,18087,18089],{"class":3414,"line":18088},137,[3412,18090,18091],{"class":3442},"        (незалежно від власника).\n",[3412,18093,18095],{"class":3414,"line":18094},138,[3412,18096,5078],{"class":3442},[3412,18098,18100,18102,18104,18106],{"class":3414,"line":18099},139,[3412,18101,5107],{"class":3978},[3412,18103,5789],{"class":3965},[3412,18105,5792],{"class":4005},[3412,18107,17872],{"class":3418},[3412,18109,18111,18113],{"class":3414,"line":18110},140,[3412,18112,5120],{"class":3978},[3412,18114,5857],{"class":3965},[3412,18116,18118,18120,18122],{"class":3414,"line":18117},141,[3412,18119,4103],{"class":3978},[3412,18121,4910],{"class":3965},[3412,18123,18124],{"class":3418},"._items == other._items\n",[3412,18126,18128],{"class":3414,"line":18127},142,[3412,18129,3737],{"emptyLinePlaceholder":3736},[3412,18131,18133],{"class":3414,"line":18132},143,[3412,18134,17043],{"class":3432},[3412,18136,18138],{"class":3414,"line":18137},144,[3412,18139,18140],{"class":3432},"    #  Протокол виклику                                                    #\n",[3412,18142,18144],{"class":3414,"line":18143},145,[3412,18145,17043],{"class":3432},[3412,18147,18149],{"class":3414,"line":18148},146,[3412,18150,3737],{"emptyLinePlaceholder":3736},[3412,18152,18154,18156,18158,18160,18162,18164,18167,18169,18171],{"class":3414,"line":18153},147,[3412,18155,4086],{"class":3965},[3412,18157,11445],{"class":4005},[3412,18159,4034],{"class":3418},[3412,18161,4095],{"class":4094},[3412,18163,3501],{"class":3418},[3412,18165,18166],{"class":4094},"discount",[3412,18168,4014],{"class":3418},[3412,18170,4865],{"class":3969},[3412,18172,18173],{"class":3418},") -> ShoppingCart:\n",[3412,18175,18177],{"class":3414,"line":18176},148,[3412,18178,5078],{"class":3442},[3412,18180,18182],{"class":3414,"line":18181},149,[3412,18183,18184],{"class":3442},"        Застосовує відсоткову знижку до всіх позицій.\n",[3412,18186,18188],{"class":3414,"line":18187},150,[3412,18189,10295],{"class":3442},[3412,18191,18193],{"class":3414,"line":18192},151,[3412,18194,18195],{"class":3442},"        cart(0.1)  → знижка 10%\n",[3412,18197,18199],{"class":3414,"line":18198},152,[3412,18200,18201],{"class":3442},"        cart(0.25) → знижка 25%\n",[3412,18203,18205],{"class":3414,"line":18204},153,[3412,18206,10295],{"class":3442},[3412,18208,18210],{"class":3414,"line":18209},154,[3412,18211,18212],{"class":3442},"        Повертає self для можливості ланцюгового виклику.\n",[3412,18214,18216],{"class":3414,"line":18215},155,[3412,18217,5078],{"class":3442},[3412,18219,18221,18223,18225,18227,18229,18232,18234],{"class":3414,"line":18220},156,[3412,18222,5107],{"class":3978},[3412,18224,5789],{"class":3965},[3412,18226,5735],{"class":3418},[3412,18228,6078],{"class":3422},[3412,18230,18231],{"class":3418}," \u003C discount \u003C ",[3412,18233,6048],{"class":3422},[3412,18235,4098],{"class":3418},[3412,18237,18239,18241,18243,18245,18247,18250,18252,18254,18256,18258],{"class":3414,"line":18238},157,[3412,18240,6556],{"class":3978},[3412,18242,6559],{"class":3969},[3412,18244,4034],{"class":3418},[3412,18246,5220],{"class":3965},[3412,18248,18249],{"class":3442},"\"Знижка має бути у діапазоні (0, 1), отримано: ",[3412,18251,4678],{"class":3965},[3412,18253,18166],{"class":3418},[3412,18255,4684],{"class":3965},[3412,18257,5033],{"class":3442},[3412,18259,4665],{"class":3418},[3412,18261,18263,18266,18268],{"class":3414,"line":18262},158,[3412,18264,18265],{"class":3418},"        factor = ",[3412,18267,6048],{"class":3422},[3412,18269,18270],{"class":3418}," - discount\n",[3412,18272,18274,18276],{"class":3414,"line":18273},159,[3412,18275,4483],{"class":3965},[3412,18277,18278],{"class":3418},"._items = {\n",[3412,18280,18282,18285,18288,18291,18293],{"class":3414,"line":18281},160,[3412,18283,18284],{"class":3418},"            name: item.with_price(",[3412,18286,18287],{"class":4005},"round",[3412,18289,18290],{"class":3418},"(item.price * factor, ",[3412,18292,6053],{"class":3422},[3412,18294,14271],{"class":3418},[3412,18296,18298,18301,18304,18306,18308],{"class":3414,"line":18297},161,[3412,18299,18300],{"class":3978},"            for",[3412,18302,18303],{"class":3418}," name, item ",[3412,18305,9362],{"class":3978},[3412,18307,4910],{"class":3965},[3412,18309,18310],{"class":3418},"._items.items()\n",[3412,18312,18314],{"class":3414,"line":18313},162,[3412,18315,12162],{"class":3418},[3412,18317,18319,18321],{"class":3414,"line":18318},163,[3412,18320,4103],{"class":3978},[3412,18322,7916],{"class":3965},[3412,18324,18326],{"class":3414,"line":18325},164,[3412,18327,3737],{"emptyLinePlaceholder":3736},[3412,18329,18331],{"class":3414,"line":18330},165,[3412,18332,17043],{"class":3432},[3412,18334,18336],{"class":3414,"line":18335},166,[3412,18337,18338],{"class":3432},"    #  Протокол контекстного менеджера                                     #\n",[3412,18340,18342],{"class":3414,"line":18341},167,[3412,18343,17043],{"class":3432},[3412,18345,18347],{"class":3414,"line":18346},168,[3412,18348,3737],{"emptyLinePlaceholder":3736},[3412,18350,18352,18354,18356,18358,18360],{"class":3414,"line":18351},169,[3412,18353,4086],{"class":3965},[3412,18355,12964],{"class":4005},[3412,18357,4034],{"class":3418},[3412,18359,4095],{"class":4094},[3412,18361,18173],{"class":3418},[3412,18363,18365],{"class":3414,"line":18364},170,[3412,18366,5078],{"class":3442},[3412,18368,18370],{"class":3414,"line":18369},171,[3412,18371,18372],{"class":3442},"        Фіксує поточний стан кошика як знімок (snapshot).\n",[3412,18374,18376],{"class":3414,"line":18375},172,[3412,18377,18378],{"class":3442},"        При виключенні всередині блоку — стан буде відновлено.\n",[3412,18380,18382],{"class":3414,"line":18381},173,[3412,18383,5078],{"class":3442},[3412,18385,18387,18389],{"class":3414,"line":18386},174,[3412,18388,15246],{"class":3978},[3412,18390,18391],{"class":3418}," copy\n",[3412,18393,18395,18397,18400,18402],{"class":3414,"line":18394},175,[3412,18396,4483],{"class":3965},[3412,18398,18399],{"class":3418},"._snapshot = copy.deepcopy(",[3412,18401,4095],{"class":3965},[3412,18403,17411],{"class":3418},[3412,18405,18407,18409],{"class":3414,"line":18406},176,[3412,18408,4103],{"class":3978},[3412,18410,7916],{"class":3965},[3412,18412,18414],{"class":3414,"line":18413},177,[3412,18415,3737],{"emptyLinePlaceholder":3736},[3412,18417,18419,18421,18423],{"class":3414,"line":18418},178,[3412,18420,4086],{"class":3965},[3412,18422,13023],{"class":4005},[3412,18424,9992],{"class":3418},[3412,18426,18428,18430],{"class":3414,"line":18427},179,[3412,18429,4483],{"class":4094},[3412,18431,13032],{"class":3418},[3412,18433,18435,18437,18439,18441,18443,18445],{"class":3414,"line":18434},180,[3412,18436,13037],{"class":4094},[3412,18438,13835],{"class":3418},[3412,18440,13043],{"class":3969},[3412,18442,13046],{"class":3418},[3412,18444,4472],{"class":3965},[3412,18446,13032],{"class":3418},[3412,18448,18450,18452,18454,18456,18458,18460],{"class":3414,"line":18449},181,[3412,18451,13055],{"class":4094},[3412,18453,4014],{"class":3418},[3412,18455,13043],{"class":3969},[3412,18457,4697],{"class":3418},[3412,18459,4472],{"class":3965},[3412,18461,13032],{"class":3418},[3412,18463,18465,18467,18469,18471],{"class":3414,"line":18464},182,[3412,18466,13070],{"class":4094},[3412,18468,13073],{"class":3418},[3412,18470,4472],{"class":3965},[3412,18472,13032],{"class":3418},[3412,18474,18476,18478,18480],{"class":3414,"line":18475},183,[3412,18477,13082],{"class":3418},[3412,18479,5780],{"class":3969},[3412,18481,3973],{"class":3418},[3412,18483,18485,18487,18489,18491,18493,18495,18497,18499,18502,18504,18506,18508],{"class":3414,"line":18484},184,[3412,18486,5107],{"class":3978},[3412,18488,13129],{"class":3418},[3412,18490,6314],{"class":3965},[3412,18492,5789],{"class":3965},[3412,18494,11870],{"class":3965},[3412,18496,13950],{"class":3965},[3412,18498,4910],{"class":3965},[3412,18500,18501],{"class":3418},"._snapshot ",[3412,18503,6314],{"class":3965},[3412,18505,5789],{"class":3965},[3412,18507,11870],{"class":3965},[3412,18509,3973],{"class":3418},[3412,18511,18513],{"class":3414,"line":18512},185,[3412,18514,18515],{"class":3432},"            # Відновлюємо стан до моменту входу в блок with\n",[3412,18517,18519,18521,18524,18526],{"class":3414,"line":18518},186,[3412,18520,10314],{"class":3965},[3412,18522,18523],{"class":3418},"._items = ",[3412,18525,4095],{"class":3965},[3412,18527,18528],{"class":3418},"._snapshot\n",[3412,18530,18532,18534,18537],{"class":3414,"line":18531},187,[3412,18533,4483],{"class":3965},[3412,18535,18536],{"class":3418},"._snapshot = ",[3412,18538,11805],{"class":3965},[3412,18540,18542,18544,18546],{"class":3414,"line":18541},188,[3412,18543,4103],{"class":3978},[3412,18545,13248],{"class":3965},[3412,18547,13251],{"class":3432},[3412,18549,18551],{"class":3414,"line":18550},189,[3412,18552,3737],{"emptyLinePlaceholder":3736},[3412,18554,18556],{"class":3414,"line":18555},190,[3412,18557,17043],{"class":3432},[3412,18559,18561],{"class":3414,"line":18560},191,[3412,18562,18563],{"class":3432},"    #  Допоміжні властивості                                               #\n",[3412,18565,18567],{"class":3414,"line":18566},192,[3412,18568,17043],{"class":3432},[3412,18570,18572],{"class":3414,"line":18571},193,[3412,18573,3737],{"emptyLinePlaceholder":3736},[3412,18575,18577,18579],{"class":3414,"line":18576},194,[3412,18578,4883],{"class":4005},[3412,18580,4886],{"class":3969},[3412,18582,18584,18586,18588,18590,18592,18594,18596],{"class":3414,"line":18583},195,[3412,18585,4086],{"class":3965},[3412,18587,16683],{"class":4005},[3412,18589,4034],{"class":3418},[3412,18591,4095],{"class":4094},[3412,18593,4524],{"class":3418},[3412,18595,4865],{"class":3969},[3412,18597,3973],{"class":3418},[3412,18599,18601],{"class":3414,"line":18600},196,[3412,18602,18603],{"class":3442},"        \"\"\"Загальна вартість усіх позицій у кошику.\"\"\"\n",[3412,18605,18607,18609,18612,18615,18617,18619,18621,18623],{"class":3414,"line":18606},197,[3412,18608,4103],{"class":3978},[3412,18610,18611],{"class":4005}," sum",[3412,18613,18614],{"class":3418},"(item.total ",[3412,18616,9753],{"class":3978},[3412,18618,17097],{"class":3418},[3412,18620,9362],{"class":3978},[3412,18622,4910],{"class":3965},[3412,18624,17104],{"class":3418},[3412,18626,18628],{"class":3414,"line":18627},198,[3412,18629,3737],{"emptyLinePlaceholder":3736},[3412,18631,18633,18635],{"class":3414,"line":18632},199,[3412,18634,4883],{"class":4005},[3412,18636,4886],{"class":3969},[3412,18638,18640,18642,18645,18647,18649,18651,18653],{"class":3414,"line":18639},200,[3412,18641,4086],{"class":3965},[3412,18643,18644],{"class":4005}," item_count",[3412,18646,4034],{"class":3418},[3412,18648,4095],{"class":4094},[3412,18650,4524],{"class":3418},[3412,18652,5543],{"class":3969},[3412,18654,3973],{"class":3418},[3412,18656,18658],{"class":3414,"line":18657},201,[3412,18659,18660],{"class":3442},"        \"\"\"Загальна кількість одиниць товару (не позицій).\"\"\"\n",[3412,18662,18664,18666,18668,18671,18673,18675,18677,18679],{"class":3414,"line":18663},202,[3412,18665,4103],{"class":3978},[3412,18667,18611],{"class":4005},[3412,18669,18670],{"class":3418},"(item.quantity ",[3412,18672,9753],{"class":3978},[3412,18674,17097],{"class":3418},[3412,18676,9362],{"class":3978},[3412,18678,4910],{"class":3965},[3412,18680,17104],{"class":3418},[3403,18682,18685],{"className":3405,"code":18683,"filename":18684,"language":3407,"meta":3408,"style":3408},"\"\"\"Пакет shop: демонстраційний інтернет-магазин.\"\"\"\nfrom .models import CartItem\nfrom .cart import ShoppingCart\n\n__all__ = [\"CartItem\", \"ShoppingCart\"]\n","shop\u002F__init__.py",[3394,18686,18687,18692,18702,18714,18718],{"__ignoreMap":3408},[3412,18688,18689],{"class":3414,"line":3415},[3412,18690,18691],{"class":3442},"\"\"\"Пакет shop: демонстраційний інтернет-магазин.\"\"\"\n",[3412,18693,18694,18696,18698,18700],{"class":3414,"line":3436},[3412,18695,4399],{"class":3978},[3412,18697,16878],{"class":3418},[3412,18699,4405],{"class":3978},[3412,18701,16883],{"class":3418},[3412,18703,18704,18706,18709,18711],{"class":3414,"line":3454},[3412,18705,4399],{"class":3978},[3412,18707,18708],{"class":3418}," .cart ",[3412,18710,4405],{"class":3978},[3412,18712,18713],{"class":3418}," ShoppingCart\n",[3412,18715,18716],{"class":3414,"line":3703},[3412,18717,3737],{"emptyLinePlaceholder":3736},[3412,18719,18720,18723,18726,18729,18731,18734],{"class":3414,"line":3709},[3412,18721,18722],{"class":4094},"__all__",[3412,18724,18725],{"class":3418}," = [",[3412,18727,18728],{"class":3442},"\"CartItem\"",[3412,18730,3501],{"class":3418},[3412,18732,18733],{"class":3442},"\"ShoppingCart\"",[3412,18735,11887],{"class":3418},[3403,18737,18740],{"className":3405,"code":18738,"filename":18739,"language":3407,"meta":3408,"style":3408},"import sys\nfrom shop import CartItem, ShoppingCart\n\n\ndef demonstrate_repr_str(cart: ShoppingCart) -> None:\n    print(\"=== __repr__ (для розробника \u002F логів) ===\")\n    print(repr(cart))\n    print()\n    print(\"=== __str__ (для користувача) ===\")\n    print(str(cart))\n\n\ndef demonstrate_container(cart: ShoppingCart) -> None:\n    print(\"\\n=== Контейнерний протокол ===\")\n    print(f\"len(cart)              → {len(cart)}\")\n    print(f\"bool(cart)             → {bool(cart)}\")\n    print(f\"'Ноутбук' in cart      → {'Ноутбук' in cart}\")\n    print(f\"'Планшет' in cart      → {'Планшет' in cart}\")\n    print(f\"cart['Миша']           → {cart['Миша']}\")\n\n    print(\"\\n[for item in cart]\")\n    for item in cart:\n        print(f\"  {item.name}: {item.quantity} шт × {item.price} грн\")\n\n    print(\"\\n[del cart['Кабель']]\")\n    del cart[\"Кабель\"]\n    print(f\"Після видалення: {len(cart)} позицій\")\n\n\ndef demonstrate_arithmetic(cart: ShoppingCart) -> None:\n    print(\"\\n=== Арифметичний протокол ===\")\n\n    cart2 = ShoppingCart(owner=\"Іван\")\n    cart2[\"Монітор\"] = CartItem(\"Монітор\", price=12000.00, quantity=1)\n    cart2[\"Миша\"]    = CartItem(\"Миша\",    price=850.00,   quantity=1)\n\n    merged = cart + cart2\n    print(f\"cart + cart2 → новий кошик {merged._owner!r} з {len(merged)} позиціями\")\n    print(f\"Миша у merged: кількість = {merged['Миша'].quantity}\")  # 1+1=2\n\n    cart += cart2   # in-place: cart мутується\n    print(f\"cart після +=: {len(cart)} позицій (той самий об'єкт? → не перевіряємо)\")\n\n\ndef demonstrate_call(cart: ShoppingCart) -> None:\n    print(\"\\n=== Протокол виклику: cart(0.1) — знижка 10% ===\")\n    total_before = cart.total\n    cart(0.1)\n    total_after = cart.total\n    print(f\"До знижки:     {total_before:,.2f} грн\")\n    print(f\"Після знижки:  {total_after:,.2f} грн\")\n    print(f\"Зекономлено:   {total_before - total_after:,.2f} грн\")\n\n\ndef demonstrate_context_manager(cart: ShoppingCart) -> None:\n    print(\"\\n=== Контекстний менеджер: відкат при помилці ===\")\n    total_before = cart.total\n    print(f\"Стан ДО блоку with: {len(cart)} позицій, {total_before:,.2f} грн\")\n\n    try:\n        with cart:\n            cart[\"Принтер\"] = CartItem(\"Принтер\", price=5000.00, quantity=1)\n            print(f\"  Всередині блоку: {len(cart)} позицій\")\n            raise RuntimeError(\"Платіж відхилено — недостатньо коштів\")\n    except RuntimeError as e:\n        print(f\"  Перехоплено: {e}\")\n\n    print(f\"Стан ПІСЛЯ відкату: {len(cart)} позицій, {cart.total:,.2f} грн\")\n    print(f\"'Принтер' in cart → {'Принтер' in cart}  (відкочено!)\")\n\n\ndef main() -> int:\n    # Наповнюємо кошик\n    cart = ShoppingCart(owner=\"Олена\")\n    cart[\"Ноутбук\"] = CartItem(\"Ноутбук\", price=35000.00, quantity=1)\n    cart[\"Миша\"]    = CartItem(\"Миша\",    price=850.00,   quantity=2)\n    cart[\"Кабель\"]  = CartItem(\"Кабель\",  price=120.00,   quantity=3)\n\n    demonstrate_repr_str(cart)\n    demonstrate_container(cart)\n    demonstrate_arithmetic(cart)\n    demonstrate_call(cart)\n    demonstrate_context_manager(cart)\n\n    print(\"\\n=== Фінальний стан кошика ===\")\n    print(cart)\n    return 0\n\n\nif __name__ == \"__main__\":\n    sys.exit(main())\n","shop\u002Fmain.py",[3394,18741,18742,18749,18761,18765,18769,18788,18799,18810,18816,18827,18837,18841,18845,18862,18877,18901,18924,18951,18977,19004,19008,19023,19035,19072,19076,19091,19104,19128,19132,19136,19153,19168,19172,19186,19218,19251,19255,19260,19294,19324,19328,19336,19360,19364,19368,19385,19400,19405,19415,19420,19443,19465,19487,19491,19495,19512,19527,19531,19563,19567,19573,19580,19611,19635,19649,19659,19680,19684,19716,19743,19747,19751,19765,19770,19784,19815,19843,19874,19878,19883,19888,19893,19898,19903,19907,19922,19929,19936,19940,19944,19959],{"__ignoreMap":3408},[3412,18743,18744,18746],{"class":3414,"line":3415},[3412,18745,4405],{"class":3978},[3412,18747,18748],{"class":3418}," sys\n",[3412,18750,18751,18753,18756,18758],{"class":3414,"line":3436},[3412,18752,4399],{"class":3978},[3412,18754,18755],{"class":3418}," shop ",[3412,18757,4405],{"class":3978},[3412,18759,18760],{"class":3418}," CartItem, ShoppingCart\n",[3412,18762,18763],{"class":3414,"line":3454},[3412,18764,3737],{"emptyLinePlaceholder":3736},[3412,18766,18767],{"class":3414,"line":3703},[3412,18768,3737],{"emptyLinePlaceholder":3736},[3412,18770,18771,18773,18776,18778,18781,18784,18786],{"class":3414,"line":3709},[3412,18772,12239],{"class":3965},[3412,18774,18775],{"class":4005}," demonstrate_repr_str",[3412,18777,4034],{"class":3418},[3412,18779,18780],{"class":4094},"cart",[3412,18782,18783],{"class":3418},": ShoppingCart) -> ",[3412,18785,4472],{"class":3965},[3412,18787,3973],{"class":3418},[3412,18789,18790,18792,18794,18797],{"class":3414,"line":3715},[3412,18791,13640],{"class":4005},[3412,18793,4034],{"class":3418},[3412,18795,18796],{"class":3442},"\"=== __repr__ (для розробника \u002F логів) ===\"",[3412,18798,4665],{"class":3418},[3412,18800,18801,18803,18805,18807],{"class":3414,"line":3721},[3412,18802,13640],{"class":4005},[3412,18804,4034],{"class":3418},[3412,18806,4761],{"class":4005},[3412,18808,18809],{"class":3418},"(cart))\n",[3412,18811,18812,18814],{"class":3414,"line":3727},[3412,18813,13640],{"class":4005},[3412,18815,12675],{"class":3418},[3412,18817,18818,18820,18822,18825],{"class":3414,"line":3733},[3412,18819,13640],{"class":4005},[3412,18821,4034],{"class":3418},[3412,18823,18824],{"class":3442},"\"=== __str__ (для користувача) ===\"",[3412,18826,4665],{"class":3418},[3412,18828,18829,18831,18833,18835],{"class":3414,"line":3740},[3412,18830,13640],{"class":4005},[3412,18832,4034],{"class":3418},[3412,18834,4452],{"class":3969},[3412,18836,18809],{"class":3418},[3412,18838,18839],{"class":3414,"line":3746},[3412,18840,3737],{"emptyLinePlaceholder":3736},[3412,18842,18843],{"class":3414,"line":3752},[3412,18844,3737],{"emptyLinePlaceholder":3736},[3412,18846,18847,18849,18852,18854,18856,18858,18860],{"class":3414,"line":3758},[3412,18848,12239],{"class":3965},[3412,18850,18851],{"class":4005}," demonstrate_container",[3412,18853,4034],{"class":3418},[3412,18855,18780],{"class":4094},[3412,18857,18783],{"class":3418},[3412,18859,4472],{"class":3965},[3412,18861,3973],{"class":3418},[3412,18863,18864,18866,18868,18870,18872,18875],{"class":3414,"line":3764},[3412,18865,13640],{"class":4005},[3412,18867,4034],{"class":3418},[3412,18869,5033],{"class":3442},[3412,18871,17351],{"class":17350},[3412,18873,18874],{"class":3442},"=== Контейнерний протокол ===\"",[3412,18876,4665],{"class":3418},[3412,18878,18879,18881,18883,18885,18888,18890,18892,18895,18897,18899],{"class":3414,"line":3770},[3412,18880,13640],{"class":4005},[3412,18882,4034],{"class":3418},[3412,18884,5220],{"class":3965},[3412,18886,18887],{"class":3442},"\"len(cart)              → ",[3412,18889,4678],{"class":3965},[3412,18891,4037],{"class":4005},[3412,18893,18894],{"class":3418},"(cart)",[3412,18896,4684],{"class":3965},[3412,18898,5033],{"class":3442},[3412,18900,4665],{"class":3418},[3412,18902,18903,18905,18907,18909,18912,18914,18916,18918,18920,18922],{"class":3414,"line":3776},[3412,18904,13640],{"class":4005},[3412,18906,4034],{"class":3418},[3412,18908,5220],{"class":3965},[3412,18910,18911],{"class":3442},"\"bool(cart)             → ",[3412,18913,4678],{"class":3965},[3412,18915,5780],{"class":3969},[3412,18917,18894],{"class":3418},[3412,18919,4684],{"class":3965},[3412,18921,5033],{"class":3442},[3412,18923,4665],{"class":3418},[3412,18925,18926,18928,18930,18932,18935,18937,18940,18942,18945,18947,18949],{"class":3414,"line":3782},[3412,18927,13640],{"class":4005},[3412,18929,4034],{"class":3418},[3412,18931,5220],{"class":3965},[3412,18933,18934],{"class":3442},"\"'Ноутбук' in cart      → ",[3412,18936,4678],{"class":3965},[3412,18938,18939],{"class":3442},"'Ноутбук'",[3412,18941,6546],{"class":3965},[3412,18943,18944],{"class":3418}," cart",[3412,18946,4684],{"class":3965},[3412,18948,5033],{"class":3442},[3412,18950,4665],{"class":3418},[3412,18952,18953,18955,18957,18959,18962,18964,18967,18969,18971,18973,18975],{"class":3414,"line":3788},[3412,18954,13640],{"class":4005},[3412,18956,4034],{"class":3418},[3412,18958,5220],{"class":3965},[3412,18960,18961],{"class":3442},"\"'Планшет' in cart      → ",[3412,18963,4678],{"class":3965},[3412,18965,18966],{"class":3442},"'Планшет'",[3412,18968,6546],{"class":3965},[3412,18970,18944],{"class":3418},[3412,18972,4684],{"class":3965},[3412,18974,5033],{"class":3442},[3412,18976,4665],{"class":3418},[3412,18978,18979,18981,18983,18985,18988,18990,18993,18996,18998,19000,19002],{"class":3414,"line":3793},[3412,18980,13640],{"class":4005},[3412,18982,4034],{"class":3418},[3412,18984,5220],{"class":3965},[3412,18986,18987],{"class":3442},"\"cart['Миша']           → ",[3412,18989,4678],{"class":3965},[3412,18991,18992],{"class":3418},"cart[",[3412,18994,18995],{"class":3442},"'Миша'",[3412,18997,10813],{"class":3418},[3412,18999,4684],{"class":3965},[3412,19001,5033],{"class":3442},[3412,19003,4665],{"class":3418},[3412,19005,19006],{"class":3414,"line":3798},[3412,19007,3737],{"emptyLinePlaceholder":3736},[3412,19009,19010,19012,19014,19016,19018,19021],{"class":3414,"line":3804},[3412,19011,13640],{"class":4005},[3412,19013,4034],{"class":3418},[3412,19015,5033],{"class":3442},[3412,19017,17351],{"class":17350},[3412,19019,19020],{"class":3442},"[for item in cart]\"",[3412,19022,4665],{"class":3418},[3412,19024,19025,19028,19030,19032],{"class":3414,"line":3810},[3412,19026,19027],{"class":3978},"    for",[3412,19029,17097],{"class":3418},[3412,19031,9362],{"class":3978},[3412,19033,19034],{"class":3418}," cart:\n",[3412,19036,19037,19039,19041,19043,19045,19047,19049,19051,19053,19055,19057,19059,19062,19064,19066,19068,19070],{"class":3414,"line":3816},[3412,19038,13431],{"class":4005},[3412,19040,4034],{"class":3418},[3412,19042,5220],{"class":3965},[3412,19044,17247],{"class":3442},[3412,19046,4678],{"class":3965},[3412,19048,17252],{"class":3418},[3412,19050,4684],{"class":3965},[3412,19052,4014],{"class":3442},[3412,19054,4678],{"class":3965},[3412,19056,17261],{"class":3418},[3412,19058,4684],{"class":3965},[3412,19060,19061],{"class":3442}," шт × ",[3412,19063,4678],{"class":3965},[3412,19065,17278],{"class":3418},[3412,19067,4684],{"class":3965},[3412,19069,17338],{"class":3442},[3412,19071,4665],{"class":3418},[3412,19073,19074],{"class":3414,"line":3822},[3412,19075,3737],{"emptyLinePlaceholder":3736},[3412,19077,19078,19080,19082,19084,19086,19089],{"class":3414,"line":3828},[3412,19079,13640],{"class":4005},[3412,19081,4034],{"class":3418},[3412,19083,5033],{"class":3442},[3412,19085,17351],{"class":17350},[3412,19087,19088],{"class":3442},"[del cart['Кабель']]\"",[3412,19090,4665],{"class":3418},[3412,19092,19093,19096,19099,19102],{"class":3414,"line":3834},[3412,19094,19095],{"class":3978},"    del",[3412,19097,19098],{"class":3418}," cart[",[3412,19100,19101],{"class":3442},"\"Кабель\"",[3412,19103,11887],{"class":3418},[3412,19105,19106,19108,19110,19112,19115,19117,19119,19121,19123,19126],{"class":3414,"line":3840},[3412,19107,13640],{"class":4005},[3412,19109,4034],{"class":3418},[3412,19111,5220],{"class":3965},[3412,19113,19114],{"class":3442},"\"Після видалення: ",[3412,19116,4678],{"class":3965},[3412,19118,4037],{"class":4005},[3412,19120,18894],{"class":3418},[3412,19122,4684],{"class":3965},[3412,19124,19125],{"class":3442}," позицій\"",[3412,19127,4665],{"class":3418},[3412,19129,19130],{"class":3414,"line":3846},[3412,19131,3737],{"emptyLinePlaceholder":3736},[3412,19133,19134],{"class":3414,"line":3851},[3412,19135,3737],{"emptyLinePlaceholder":3736},[3412,19137,19138,19140,19143,19145,19147,19149,19151],{"class":3414,"line":3856},[3412,19139,12239],{"class":3965},[3412,19141,19142],{"class":4005}," demonstrate_arithmetic",[3412,19144,4034],{"class":3418},[3412,19146,18780],{"class":4094},[3412,19148,18783],{"class":3418},[3412,19150,4472],{"class":3965},[3412,19152,3973],{"class":3418},[3412,19154,19155,19157,19159,19161,19163,19166],{"class":3414,"line":3862},[3412,19156,13640],{"class":4005},[3412,19158,4034],{"class":3418},[3412,19160,5033],{"class":3442},[3412,19162,17351],{"class":17350},[3412,19164,19165],{"class":3442},"=== Арифметичний протокол ===\"",[3412,19167,4665],{"class":3418},[3412,19169,19170],{"class":3414,"line":3868},[3412,19171,3737],{"emptyLinePlaceholder":3736},[3412,19173,19174,19177,19179,19181,19184],{"class":3414,"line":3874},[3412,19175,19176],{"class":3418},"    cart2 = ShoppingCart(",[3412,19178,16976],{"class":4094},[3412,19180,10504],{"class":3418},[3412,19182,19183],{"class":3442},"\"Іван\"",[3412,19185,4665],{"class":3418},[3412,19187,19188,19191,19194,19197,19199,19201,19203,19205,19208,19210,19212,19214,19216],{"class":3414,"line":3880},[3412,19189,19190],{"class":3418},"    cart2[",[3412,19192,19193],{"class":3442},"\"Монітор\"",[3412,19195,19196],{"class":3418},"] = CartItem(",[3412,19198,19193],{"class":3442},[3412,19200,3501],{"class":3418},[3412,19202,16763],{"class":4094},[3412,19204,10504],{"class":3418},[3412,19206,19207],{"class":3422},"12000.00",[3412,19209,3501],{"class":3418},[3412,19211,16773],{"class":4094},[3412,19213,10504],{"class":3418},[3412,19215,6048],{"class":3422},[3412,19217,4665],{"class":3418},[3412,19219,19220,19222,19225,19228,19230,19233,19235,19237,19240,19243,19245,19247,19249],{"class":3414,"line":3886},[3412,19221,19190],{"class":3418},[3412,19223,19224],{"class":3442},"\"Миша\"",[3412,19226,19227],{"class":3418},"]    = CartItem(",[3412,19229,19224],{"class":3442},[3412,19231,19232],{"class":3418},",    ",[3412,19234,16763],{"class":4094},[3412,19236,10504],{"class":3418},[3412,19238,19239],{"class":3422},"850.00",[3412,19241,19242],{"class":3418},",   ",[3412,19244,16773],{"class":4094},[3412,19246,10504],{"class":3418},[3412,19248,6048],{"class":3422},[3412,19250,4665],{"class":3418},[3412,19252,19253],{"class":3414,"line":3892},[3412,19254,3737],{"emptyLinePlaceholder":3736},[3412,19256,19257],{"class":3414,"line":3898},[3412,19258,19259],{"class":3418},"    merged = cart + cart2\n",[3412,19261,19262,19264,19266,19268,19271,19273,19276,19278,19280,19282,19284,19287,19289,19292],{"class":3414,"line":3903},[3412,19263,13640],{"class":4005},[3412,19265,4034],{"class":3418},[3412,19267,5220],{"class":3965},[3412,19269,19270],{"class":3442},"\"cart + cart2 → новий кошик ",[3412,19272,4678],{"class":3965},[3412,19274,19275],{"class":3418},"merged._owner",[3412,19277,4569],{"class":3965},[3412,19279,6411],{"class":3442},[3412,19281,4678],{"class":3965},[3412,19283,4037],{"class":4005},[3412,19285,19286],{"class":3418},"(merged)",[3412,19288,4684],{"class":3965},[3412,19290,19291],{"class":3442}," позиціями\"",[3412,19293,4665],{"class":3418},[3412,19295,19296,19298,19300,19302,19305,19307,19310,19312,19315,19317,19319,19321],{"class":3414,"line":3909},[3412,19297,13640],{"class":4005},[3412,19299,4034],{"class":3418},[3412,19301,5220],{"class":3965},[3412,19303,19304],{"class":3442},"\"Миша у merged: кількість = ",[3412,19306,4678],{"class":3965},[3412,19308,19309],{"class":3418},"merged[",[3412,19311,18995],{"class":3442},[3412,19313,19314],{"class":3418},"].quantity",[3412,19316,4684],{"class":3965},[3412,19318,5033],{"class":3442},[3412,19320,5186],{"class":3418},[3412,19322,19323],{"class":3432},"# 1+1=2\n",[3412,19325,19326],{"class":3414,"line":3915},[3412,19327,3737],{"emptyLinePlaceholder":3736},[3412,19329,19330,19333],{"class":3414,"line":3921},[3412,19331,19332],{"class":3418},"    cart += cart2   ",[3412,19334,19335],{"class":3432},"# in-place: cart мутується\n",[3412,19337,19338,19340,19342,19344,19347,19349,19351,19353,19355,19358],{"class":3414,"line":3927},[3412,19339,13640],{"class":4005},[3412,19341,4034],{"class":3418},[3412,19343,5220],{"class":3965},[3412,19345,19346],{"class":3442},"\"cart після +=: ",[3412,19348,4678],{"class":3965},[3412,19350,4037],{"class":4005},[3412,19352,18894],{"class":3418},[3412,19354,4684],{"class":3965},[3412,19356,19357],{"class":3442}," позицій (той самий об'єкт? → не перевіряємо)\"",[3412,19359,4665],{"class":3418},[3412,19361,19362],{"class":3414,"line":3933},[3412,19363,3737],{"emptyLinePlaceholder":3736},[3412,19365,19366],{"class":3414,"line":6004},[3412,19367,3737],{"emptyLinePlaceholder":3736},[3412,19369,19370,19372,19375,19377,19379,19381,19383],{"class":3414,"line":6015},[3412,19371,12239],{"class":3965},[3412,19373,19374],{"class":4005}," demonstrate_call",[3412,19376,4034],{"class":3418},[3412,19378,18780],{"class":4094},[3412,19380,18783],{"class":3418},[3412,19382,4472],{"class":3965},[3412,19384,3973],{"class":3418},[3412,19386,19387,19389,19391,19393,19395,19398],{"class":3414,"line":6022},[3412,19388,13640],{"class":4005},[3412,19390,4034],{"class":3418},[3412,19392,5033],{"class":3442},[3412,19394,17351],{"class":17350},[3412,19396,19397],{"class":3442},"=== Протокол виклику: cart(0.1) — знижка 10% ===\"",[3412,19399,4665],{"class":3418},[3412,19401,19402],{"class":3414,"line":6032},[3412,19403,19404],{"class":3418},"    total_before = cart.total\n",[3412,19406,19407,19410,19413],{"class":3414,"line":6037},[3412,19408,19409],{"class":3418},"    cart(",[3412,19411,19412],{"class":3422},"0.1",[3412,19414,4665],{"class":3418},[3412,19416,19417],{"class":3414,"line":6042},[3412,19418,19419],{"class":3418},"    total_after = cart.total\n",[3412,19421,19422,19424,19426,19428,19431,19433,19436,19439,19441],{"class":3414,"line":6063},[3412,19423,13640],{"class":4005},[3412,19425,4034],{"class":3418},[3412,19427,5220],{"class":3965},[3412,19429,19430],{"class":3442},"\"До знижки:     ",[3412,19432,4678],{"class":3965},[3412,19434,19435],{"class":3418},"total_before",[3412,19437,19438],{"class":3965},":,.2f}",[3412,19440,17338],{"class":3442},[3412,19442,4665],{"class":3418},[3412,19444,19445,19447,19449,19451,19454,19456,19459,19461,19463],{"class":3414,"line":6083},[3412,19446,13640],{"class":4005},[3412,19448,4034],{"class":3418},[3412,19450,5220],{"class":3965},[3412,19452,19453],{"class":3442},"\"Після знижки:  ",[3412,19455,4678],{"class":3965},[3412,19457,19458],{"class":3418},"total_after",[3412,19460,19438],{"class":3965},[3412,19462,17338],{"class":3442},[3412,19464,4665],{"class":3418},[3412,19466,19467,19469,19471,19473,19476,19478,19481,19483,19485],{"class":3414,"line":6101},[3412,19468,13640],{"class":4005},[3412,19470,4034],{"class":3418},[3412,19472,5220],{"class":3965},[3412,19474,19475],{"class":3442},"\"Зекономлено:   ",[3412,19477,4678],{"class":3965},[3412,19479,19480],{"class":3418},"total_before - total_after",[3412,19482,19438],{"class":3965},[3412,19484,17338],{"class":3442},[3412,19486,4665],{"class":3418},[3412,19488,19489],{"class":3414,"line":6106},[3412,19490,3737],{"emptyLinePlaceholder":3736},[3412,19492,19493],{"class":3414,"line":6117},[3412,19494,3737],{"emptyLinePlaceholder":3736},[3412,19496,19497,19499,19502,19504,19506,19508,19510],{"class":3414,"line":6128},[3412,19498,12239],{"class":3965},[3412,19500,19501],{"class":4005}," demonstrate_context_manager",[3412,19503,4034],{"class":3418},[3412,19505,18780],{"class":4094},[3412,19507,18783],{"class":3418},[3412,19509,4472],{"class":3965},[3412,19511,3973],{"class":3418},[3412,19513,19514,19516,19518,19520,19522,19525],{"class":3414,"line":6138},[3412,19515,13640],{"class":4005},[3412,19517,4034],{"class":3418},[3412,19519,5033],{"class":3442},[3412,19521,17351],{"class":17350},[3412,19523,19524],{"class":3442},"=== Контекстний менеджер: відкат при помилці ===\"",[3412,19526,4665],{"class":3418},[3412,19528,19529],{"class":3414,"line":6148},[3412,19530,19404],{"class":3418},[3412,19532,19533,19535,19537,19539,19542,19544,19546,19548,19550,19553,19555,19557,19559,19561],{"class":3414,"line":6153},[3412,19534,13640],{"class":4005},[3412,19536,4034],{"class":3418},[3412,19538,5220],{"class":3965},[3412,19540,19541],{"class":3442},"\"Стан ДО блоку with: ",[3412,19543,4678],{"class":3965},[3412,19545,4037],{"class":4005},[3412,19547,18894],{"class":3418},[3412,19549,4684],{"class":3965},[3412,19551,19552],{"class":3442}," позицій, ",[3412,19554,4678],{"class":3965},[3412,19556,19435],{"class":3418},[3412,19558,19438],{"class":3965},[3412,19560,17338],{"class":3442},[3412,19562,4665],{"class":3418},[3412,19564,19565],{"class":3414,"line":6159},[3412,19566,3737],{"emptyLinePlaceholder":3736},[3412,19568,19569,19571],{"class":3414,"line":6203},[3412,19570,12695],{"class":3978},[3412,19572,3973],{"class":3418},[3412,19574,19575,19578],{"class":3414,"line":6216},[3412,19576,19577],{"class":3978},"        with",[3412,19579,19034],{"class":3418},[3412,19581,19582,19585,19588,19590,19592,19594,19596,19598,19601,19603,19605,19607,19609],{"class":3414,"line":8140},[3412,19583,19584],{"class":3418},"            cart[",[3412,19586,19587],{"class":3442},"\"Принтер\"",[3412,19589,19196],{"class":3418},[3412,19591,19587],{"class":3442},[3412,19593,3501],{"class":3418},[3412,19595,16763],{"class":4094},[3412,19597,10504],{"class":3418},[3412,19599,19600],{"class":3422},"5000.00",[3412,19602,3501],{"class":3418},[3412,19604,16773],{"class":4094},[3412,19606,10504],{"class":3418},[3412,19608,6048],{"class":3422},[3412,19610,4665],{"class":3418},[3412,19612,19613,19616,19618,19620,19623,19625,19627,19629,19631,19633],{"class":3414,"line":8146},[3412,19614,19615],{"class":4005},"            print",[3412,19617,4034],{"class":3418},[3412,19619,5220],{"class":3965},[3412,19621,19622],{"class":3442},"\"  Всередині блоку: ",[3412,19624,4678],{"class":3965},[3412,19626,4037],{"class":4005},[3412,19628,18894],{"class":3418},[3412,19630,4684],{"class":3965},[3412,19632,19125],{"class":3442},[3412,19634,4665],{"class":3418},[3412,19636,19637,19639,19642,19644,19647],{"class":3414,"line":8164},[3412,19638,6556],{"class":3978},[3412,19640,19641],{"class":3969}," RuntimeError",[3412,19643,4034],{"class":3418},[3412,19645,19646],{"class":3442},"\"Платіж відхилено — недостатньо коштів\"",[3412,19648,4665],{"class":3418},[3412,19650,19651,19653,19655,19657],{"class":3414,"line":8190},[3412,19652,12707],{"class":3978},[3412,19654,19641],{"class":3969},[3412,19656,13632],{"class":3978},[3412,19658,13635],{"class":3418},[3412,19660,19661,19663,19665,19667,19670,19672,19674,19676,19678],{"class":3414,"line":8195},[3412,19662,13431],{"class":4005},[3412,19664,4034],{"class":3418},[3412,19666,5220],{"class":3965},[3412,19668,19669],{"class":3442},"\"  Перехоплено: ",[3412,19671,4678],{"class":3965},[3412,19673,13652],{"class":3418},[3412,19675,4684],{"class":3965},[3412,19677,5033],{"class":3442},[3412,19679,4665],{"class":3418},[3412,19681,19682],{"class":3414,"line":8201},[3412,19683,3737],{"emptyLinePlaceholder":3736},[3412,19685,19686,19688,19690,19692,19695,19697,19699,19701,19703,19705,19707,19710,19712,19714],{"class":3414,"line":8219},[3412,19687,13640],{"class":4005},[3412,19689,4034],{"class":3418},[3412,19691,5220],{"class":3965},[3412,19693,19694],{"class":3442},"\"Стан ПІСЛЯ відкату: ",[3412,19696,4678],{"class":3965},[3412,19698,4037],{"class":4005},[3412,19700,18894],{"class":3418},[3412,19702,4684],{"class":3965},[3412,19704,19552],{"class":3442},[3412,19706,4678],{"class":3965},[3412,19708,19709],{"class":3418},"cart.total",[3412,19711,19438],{"class":3965},[3412,19713,17338],{"class":3442},[3412,19715,4665],{"class":3418},[3412,19717,19718,19720,19722,19724,19727,19729,19732,19734,19736,19738,19741],{"class":3414,"line":8240},[3412,19719,13640],{"class":4005},[3412,19721,4034],{"class":3418},[3412,19723,5220],{"class":3965},[3412,19725,19726],{"class":3442},"\"'Принтер' in cart → ",[3412,19728,4678],{"class":3965},[3412,19730,19731],{"class":3442},"'Принтер'",[3412,19733,6546],{"class":3965},[3412,19735,18944],{"class":3418},[3412,19737,4684],{"class":3965},[3412,19739,19740],{"class":3442},"  (відкочено!)\"",[3412,19742,4665],{"class":3418},[3412,19744,19745],{"class":3414,"line":8245},[3412,19746,3737],{"emptyLinePlaceholder":3736},[3412,19748,19749],{"class":3414,"line":8270},[3412,19750,3737],{"emptyLinePlaceholder":3736},[3412,19752,19753,19755,19758,19761,19763],{"class":3414,"line":8281},[3412,19754,12239],{"class":3965},[3412,19756,19757],{"class":4005}," main",[3412,19759,19760],{"class":3418},"() -> ",[3412,19762,5543],{"class":3969},[3412,19764,3973],{"class":3418},[3412,19766,19767],{"class":3414,"line":8288},[3412,19768,19769],{"class":3432},"    # Наповнюємо кошик\n",[3412,19771,19772,19775,19777,19779,19782],{"class":3414,"line":8303},[3412,19773,19774],{"class":3418},"    cart = ShoppingCart(",[3412,19776,16976],{"class":4094},[3412,19778,10504],{"class":3418},[3412,19780,19781],{"class":3442},"\"Олена\"",[3412,19783,4665],{"class":3418},[3412,19785,19786,19789,19792,19794,19796,19798,19800,19802,19805,19807,19809,19811,19813],{"class":3414,"line":8308},[3412,19787,19788],{"class":3418},"    cart[",[3412,19790,19791],{"class":3442},"\"Ноутбук\"",[3412,19793,19196],{"class":3418},[3412,19795,19791],{"class":3442},[3412,19797,3501],{"class":3418},[3412,19799,16763],{"class":4094},[3412,19801,10504],{"class":3418},[3412,19803,19804],{"class":3422},"35000.00",[3412,19806,3501],{"class":3418},[3412,19808,16773],{"class":4094},[3412,19810,10504],{"class":3418},[3412,19812,6048],{"class":3422},[3412,19814,4665],{"class":3418},[3412,19816,19817,19819,19821,19823,19825,19827,19829,19831,19833,19835,19837,19839,19841],{"class":3414,"line":8313},[3412,19818,19788],{"class":3418},[3412,19820,19224],{"class":3442},[3412,19822,19227],{"class":3418},[3412,19824,19224],{"class":3442},[3412,19826,19232],{"class":3418},[3412,19828,16763],{"class":4094},[3412,19830,10504],{"class":3418},[3412,19832,19239],{"class":3422},[3412,19834,19242],{"class":3418},[3412,19836,16773],{"class":4094},[3412,19838,10504],{"class":3418},[3412,19840,6053],{"class":3422},[3412,19842,4665],{"class":3418},[3412,19844,19845,19847,19849,19852,19854,19857,19859,19861,19864,19866,19868,19870,19872],{"class":3414,"line":8319},[3412,19846,19788],{"class":3418},[3412,19848,19101],{"class":3442},[3412,19850,19851],{"class":3418},"]  = CartItem(",[3412,19853,19101],{"class":3442},[3412,19855,19856],{"class":3418},",  ",[3412,19858,16763],{"class":4094},[3412,19860,10504],{"class":3418},[3412,19862,19863],{"class":3422},"120.00",[3412,19865,19242],{"class":3418},[3412,19867,16773],{"class":4094},[3412,19869,10504],{"class":3418},[3412,19871,6058],{"class":3422},[3412,19873,4665],{"class":3418},[3412,19875,19876],{"class":3414,"line":8333},[3412,19877,3737],{"emptyLinePlaceholder":3736},[3412,19879,19880],{"class":3414,"line":8348},[3412,19881,19882],{"class":3418},"    demonstrate_repr_str(cart)\n",[3412,19884,19885],{"class":3414,"line":8353},[3412,19886,19887],{"class":3418},"    demonstrate_container(cart)\n",[3412,19889,19890],{"class":3414,"line":8364},[3412,19891,19892],{"class":3418},"    demonstrate_arithmetic(cart)\n",[3412,19894,19895],{"class":3414,"line":8375},[3412,19896,19897],{"class":3418},"    demonstrate_call(cart)\n",[3412,19899,19900],{"class":3414,"line":8392},[3412,19901,19902],{"class":3418},"    demonstrate_context_manager(cart)\n",[3412,19904,19905],{"class":3414,"line":8407},[3412,19906,3737],{"emptyLinePlaceholder":3736},[3412,19908,19909,19911,19913,19915,19917,19920],{"class":3414,"line":8418},[3412,19910,13640],{"class":4005},[3412,19912,4034],{"class":3418},[3412,19914,5033],{"class":3442},[3412,19916,17351],{"class":17350},[3412,19918,19919],{"class":3442},"=== Фінальний стан кошика ===\"",[3412,19921,4665],{"class":3418},[3412,19923,19924,19926],{"class":3414,"line":8434},[3412,19925,13640],{"class":4005},[3412,19927,19928],{"class":3418},"(cart)\n",[3412,19930,19931,19933],{"class":3414,"line":8459},[3412,19932,12286],{"class":3978},[3412,19934,19935],{"class":3422}," 0\n",[3412,19937,19938],{"class":3414,"line":8473},[3412,19939,3737],{"emptyLinePlaceholder":3736},[3412,19941,19942],{"class":3414,"line":8478},[3412,19943,3737],{"emptyLinePlaceholder":3736},[3412,19945,19946,19948,19951,19954,19957],{"class":3414,"line":8484},[3412,19947,14794],{"class":3978},[3412,19949,19950],{"class":4094}," __name__",[3412,19952,19953],{"class":3418}," == ",[3412,19955,19956],{"class":3442},"\"__main__\"",[3412,19958,3973],{"class":3418},[3412,19960,19961],{"class":3414,"line":8515},[3412,19962,19963],{"class":3418},"    sys.exit(main())\n",[3628,19965],{},[3635,19967,19969],{"id":19968},"покрокова-реалізація","Покрокова реалізація",[19971,19972,19973,19977,19980,20019,20023,20043,20047],"steps",{},[3635,19974,19976],{"id":19975},"створення-структури-проекту","Створення структури проекту",[3399,19978,19979],{},"Створимо директорії та порожні файли пакету:",[5312,19981,19983,19992,20001,20010],{"title":19982},"Ініціалізація структури",[5316,19984,19986,5324,19989],{"className":19985},[3414],[3412,19987,5323],{"className":19988},[5322],[3494,19990,19991],{},"mkdir -p my_shop\u002Fshop",[5316,19993,19995,5324,19998],{"className":19994},[3414],[3412,19996,5323],{"className":19997},[5322],[3494,19999,20000],{},"touch my_shop\u002Fshop\u002F__init__.py my_shop\u002Fshop\u002Fmodels.py",[5316,20002,20004,5324,20007],{"className":20003},[3414],[3412,20005,5323],{"className":20006},[5322],[3494,20008,20009],{},"touch my_shop\u002Fshop\u002Fcart.py my_shop\u002Fshop\u002Fmain.py",[5316,20011,20013,5324,20016],{"className":20012},[3414],[3412,20014,5323],{"className":20015},[5322],[3494,20017,20018],{},"cd my_shop",[3635,20020,20022],{"id":20021},"реалізація-файлів","Реалізація файлів",[3399,20024,20025,20026,20029,20030,20033,20034,20036,20037,20036,20040,3546],{},"Запишіть код кожного файлу відповідно до архітектури вище. Порядок важливий: спочатку ",[3394,20027,20028],{},"models.py"," (від нього залежить ",[3394,20031,20032],{},"cart.py","), потім ",[3394,20035,20032],{},", потім ",[3394,20038,20039],{},"__init__.py",[3394,20041,20042],{},"main.py",[3635,20044,20046],{"id":20045},"запуск-та-перевірка","Запуск та перевірка",[5312,20048,20050,20058,20062,20069,20072,20076,20080,20084,20099,20115,20130,20133,20141,20144,20148,20155,20162,20169,20176,20184,20187,20191,20195,20199,20203,20206,20210,20218,20221,20225,20237,20248,20255,20258,20262,20270,20278,20286,20289,20293,20300,20307,20315,20325],{"title":20049},"python -m shop.main",[5316,20051,20053,5324,20056],{"className":20052},[3414],[3412,20054,5323],{"className":20055},[5322],[3494,20057,20049],{},[5316,20059,20061],{"className":20060},[3414],"=== __repr__ (для розробника \u002F логів) ===",[5316,20063,20065],{"className":20064},[3414],[3412,20066,20068],{"className":20067},[5350],"ShoppingCart(owner='Олена', items=[CartItem(name='Ноутбук', price=35000.0, quantity=1), ...])",[5316,20070],{"className":20071},[3414],[5316,20073,20075],{"className":20074},[3414],"=== __str__ (для користувача) ===",[5316,20077,20079],{"className":20078},[3414],"Кошик покупок: Олена",[5316,20081,20083],{"className":20082},[3414],"────────────────────────────────────────────",[5316,20085,20087,20088,19061,20091,4008,20094,20098],{"className":20086},[3414],"  Ноутбук                 ",[3412,20089,6048],{"className":20090},[5334],[3412,20092,19804],{"className":20093},[6238],[3412,20095,20097],{"className":20096},[6238]," 35000.00"," грн",[5316,20100,20102,20103,20106,20107,20110,20111,20098],{"className":20101},[3414],"  Миша                    ",[3412,20104,6053],{"className":20105},[5334]," шт ×   ",[3412,20108,19239],{"className":20109},[6238]," =  ",[3412,20112,20114],{"className":20113},[6238]," 1700.00",[5316,20116,20118,20119,20106,20122,20125,20126,20098],{"className":20117},[3414],"  Кабель                  ",[3412,20120,6058],{"className":20121},[5334],[3412,20123,19863],{"className":20124},[6238]," =    ",[3412,20127,20129],{"className":20128},[6238],"360.00",[5316,20131,20083],{"className":20132},[3414],[5316,20134,20136,20137,20098],{"className":20135},[3414],"  РАЗОМ:                                 ",[3412,20138,20140],{"className":20139},[6238]," 37060.00",[5316,20142],{"className":20143},[3414],[5316,20145,20147],{"className":20146},[3414],"=== Контейнерний протокол ===",[5316,20149,20151,20152],{"className":20150},[3414],"len(cart)              → ",[3412,20153,6058],{"className":20154},[5334],[5316,20156,20158,20159],{"className":20157},[3414],"bool(cart)             → ",[3412,20160,6239],{"className":20161},[6238],[5316,20163,20165,20166],{"className":20164},[3414],"'Ноутбук' in cart      → ",[3412,20167,6239],{"className":20168},[6238],[5316,20170,20172,20173],{"className":20171},[3414],"'Планшет' in cart      → ",[3412,20174,6278],{"className":20175},[8672],[5316,20177,20179,20180],{"className":20178},[3414],"cart['Миша']           → ",[3412,20181,20183],{"className":20182},[5350],"CartItem(name='Миша', price=850.0, quantity=2)",[5316,20185],{"className":20186},[3414],[5316,20188,20190],{"className":20189},[3414],"[for item in cart]",[5316,20192,20194],{"className":20193},[3414],"  Ноутбук: 1 шт × 35000.0 грн",[5316,20196,20198],{"className":20197},[3414],"  Миша: 2 шт × 850.0 грн",[5316,20200,20202],{"className":20201},[3414],"  Кабель: 3 шт × 120.0 грн",[5316,20204],{"className":20205},[3414],[5316,20207,20209],{"className":20208},[3414],"[del cart['Кабель']]",[5316,20211,20213,20214,20217],{"className":20212},[3414],"Після видалення: ",[3412,20215,6053],{"className":20216},[5334]," позицій",[5316,20219],{"className":20220},[3414],[5316,20222,20224],{"className":20223},[3414],"=== Арифметичний протокол ===",[5316,20226,20228,20229,6411,20233,20236],{"className":20227},[3414],"cart + cart2 → новий кошик ",[3412,20230,20232],{"className":20231},[5350],"'Олена+Іван'",[3412,20234,6058],{"className":20235},[5334]," позиціями",[5316,20238,20240,20241,7422,20244],{"className":20239},[3414],"Миша у merged: кількість = ",[3412,20242,6053],{"className":20243},[5334],[3412,20245,20247],{"className":20246},[7426],"# 1 (Олена) + 1 (Іван)",[5316,20249,20251,20252,20217],{"className":20250},[3414],"cart після +=: ",[3412,20253,6058],{"className":20254},[5334],[5316,20256],{"className":20257},[3414],[5316,20259,20261],{"className":20260},[3414],"=== Протокол виклику: cart(0.1) — знижка 10% ===",[5316,20263,20265,20266,20098],{"className":20264},[3414],"До знижки:     ",[3412,20267,20269],{"className":20268},[5334],"49,060.00",[5316,20271,20273,20274,20098],{"className":20272},[3414],"Після знижки:  ",[3412,20275,20277],{"className":20276},[6238],"44,154.00",[5316,20279,20281,20282,20098],{"className":20280},[3414],"Зекономлено:   ",[3412,20283,20285],{"className":20284},[6238],"4,906.00",[5316,20287],{"className":20288},[3414],[5316,20290,20292],{"className":20291},[3414],"=== Контекстний менеджер: відкат при помилці ===",[5316,20294,20296,20297,20098],{"className":20295},[3414],"Стан ДО блоку with: 3 позицій, ",[3412,20298,20277],{"className":20299},[5334],[5316,20301,20303,20304,20217],{"className":20302},[3414],"  Всередині блоку: ",[3412,20305,8343],{"className":20306},[5334],[5316,20308,20310,20311],{"className":20309},[3414],"  Перехоплено: ",[3412,20312,20314],{"className":20313},[8672],"Платіж відхилено — недостатньо коштів",[5316,20316,20318,20319,19552,20322,20098],{"className":20317},[3414],"Стан ПІСЛЯ відкату: ",[3412,20320,6058],{"className":20321},[5334],[3412,20323,20277],{"className":20324},[6238],[5316,20326,20328,20329,7422,20332],{"className":20327},[3414],"'Принтер' in cart → ",[3412,20330,6278],{"className":20331},[8672],[3412,20333,20335],{"className":20334},[7426],"(відкочено!)",[3628,20337],{},[3635,20339,20341],{"id":20340},"зведена-таблиця-який-протокол-де-застосовується","Зведена таблиця: який протокол де застосовується",[4311,20343,20344,20359],{},[4314,20345,20346],{},[4317,20347,20348,20351,20354],{},[4320,20349,20350],{},"Dunder-метод",[4320,20352,20353],{},"Синтаксис",[4320,20355,20356,20357],{},"Що робить у ",[3394,20358,16501],{},[4333,20360,20361,20375,20389,20403,20419,20435,20453,20468,20484,20501,20515,20533,20547,20560,20574],{},[4317,20362,20363,20367,20372],{},[4338,20364,20365],{},[3394,20366,4162],{},[4338,20368,20369],{},[3394,20370,20371],{},"repr(cart)",[4338,20373,20374],{},"Повний рядок для логів з усіма полями",[4317,20376,20377,20381,20386],{},[4338,20378,20379],{},[3394,20380,4156],{},[4338,20382,20383],{},[3394,20384,20385],{},"print(cart)",[4338,20387,20388],{},"Форматована таблиця товарів для користувача",[4317,20390,20391,20395,20400],{},[4338,20392,20393],{},[3394,20394,3667],{},[4338,20396,20397],{},[3394,20398,20399],{},"len(cart)",[4338,20401,20402],{},"Кількість унікальних позицій",[4317,20404,20405,20409,20414],{},[4338,20406,20407],{},[3394,20408,9309],{},[4338,20410,20411],{},[3394,20412,20413],{},"if cart:",[4338,20415,20416,20418],{},[3394,20417,6278],{}," якщо кошик порожній",[4317,20420,20421,20426,20430],{},[4338,20422,20423],{},[3394,20424,20425],{},"__contains__",[4338,20427,20428],{},[3394,20429,16527],{},[4338,20431,20432,20433],{},"O(1) перевірка через ",[3394,20434,4206],{},[4317,20436,20437,20441,20445],{},[4338,20438,20439],{},[3394,20440,3671],{},[4338,20442,20443],{},[3394,20444,16521],{},[4338,20446,20447,20448,12621,20451],{},"Повертає ",[3394,20449,20450],{},"CartItem",[3394,20452,9338],{},[4317,20454,20455,20460,20465],{},[4338,20456,20457],{},[3394,20458,20459],{},"__setitem__",[4338,20461,20462],{},[3394,20463,20464],{},"cart[\"Ноутбук\"] = item",[4338,20466,20467],{},"Додає або накопичує кількість",[4317,20469,20470,20475,20479],{},[4338,20471,20472],{},[3394,20473,20474],{},"__delitem__",[4338,20476,20477],{},[3394,20478,16524],{},[4338,20480,20481,20482],{},"Видаляє позицію або ",[3394,20483,9338],{},[4317,20485,20486,20490,20495],{},[4338,20487,20488],{},[3394,20489,3659],{},[4338,20491,20492],{},[3394,20493,20494],{},"for item in cart",[4338,20496,20497,20498,20500],{},"Ітерація по ",[3394,20499,20450],{}," у порядку додавання",[4317,20502,20503,20507,20512],{},[4338,20504,20505],{},[3394,20506,7529],{},[4338,20508,20509],{},[3394,20510,20511],{},"cart1 + cart2",[4338,20513,20514],{},"Новий кошик зі злитими позиціями",[4317,20516,20517,20521,20526],{},[4338,20518,20519],{},[3394,20520,4232],{},[4338,20522,20523],{},[3394,20524,20525],{},"cart1 += cart2",[4338,20527,20528,20529,20532],{},"Мутує ",[3394,20530,20531],{},"cart1",", не створює новий об'єкт",[4317,20534,20535,20539,20544],{},[4338,20536,20537],{},[3394,20538,4197],{},[4338,20540,20541],{},[3394,20542,20543],{},"cart1 == cart2",[4338,20545,20546],{},"Порівняння позицій (без урахування власника)",[4317,20548,20549,20553,20557],{},[4338,20550,20551],{},[3394,20552,4266],{},[4338,20554,20555],{},[3394,20556,16541],{},[4338,20558,20559],{},"Застосовує знижку 10% до всіх цін",[4317,20561,20562,20566,20571],{},[4338,20563,20564],{},[3394,20565,12582],{},[4338,20567,20568],{},[3394,20569,20570],{},"with cart:",[4338,20572,20573],{},"Зберігає знімок стану",[4317,20575,20576,20580,20585],{},[4338,20577,20578],{},[3394,20579,12585],{},[4338,20581,20582,20583],{},"кінець ",[3394,20584,3567],{},[4338,20586,20587],{},"Відкатує стан при виключенні",[3628,20589],{},[3389,20591,20593],{"id":20592},"підсумок","Підсумок",[3399,20595,20596,20597,20600],{},"Dunder-методи — це не магія. Це ",[3494,20598,20599],{},"точно визначені протоколи",": набори методів, реалізація яких дозволяє вашому класу брати участь у синтаксисі мови. CPython транслює кожен оператор, вбудовану функцію та конструкцію у виклики конкретних методів на конкретних об'єктах.",[3399,20602,20603],{},"Ключові висновки цієї статті:",[10900,20605,20606,20619,20626,20635,20647,20657],{},[10903,20607,20608,3668,20610,20612,20613,20615,20616,20618],{},[3394,20609,4162],{},[3394,20611,4156],{}," мають різну аудиторію: розробник vs кінцевий користувач. ",[3394,20614,4162],{}," — резервний варіант, якщо ",[3394,20617,4156],{}," відсутній.",[10903,20620,20621,3668,20623,20625],{},[3394,20622,4197],{},[3394,20624,4202],{}," завжди йдуть разом. Мутабельні об'єкти не повинні бути хешованими.",[10903,20627,20628,20629,20631,20632,20634],{},"Повертайте ",[3394,20630,6274],{}," (не ",[3394,20633,6278],{},") при невідповідному типі — це дозволяє Python спробувати reflected operator на іншому операнді.",[10903,20636,20637,20638,20640,20641,20643,20644,20646],{},"In-place оператори (",[3394,20639,4232],{},") повинні мутувати ",[3394,20642,4095],{}," і повертати ",[3394,20645,4095],{},", а не новий об'єкт.",[10903,20648,20649,20651,20652,20654,20655,3546],{},[3394,20650,12585],{}," з поверненням ",[3394,20653,6239],{}," — виняток із суворою умовою. За замовчуванням повертайте ",[3394,20656,6278],{},[10903,20658,20659,20661,20662,20665,20666,20669,20670,3546],{},[3394,20660,14525],{}," перехоплює ",[3494,20663,20664],{},"всі"," записи, включно з ",[3394,20667,20668],{},"__init__",". Для виклику оригінального запису використовуйте ",[3394,20671,20672],{},"object.__setattr__",[3399,20674,20675,20676,4014,20679,3501,20682,20685],{},"Наступна стаття розглядає ",[3494,20677,20678],{},"декоратори та керування життєвим циклом методів",[3394,20680,20681],{},"@staticmethod",[3394,20683,20684],{},"@classmethod"," та клас-декоратори — тобто ще один рівень кастомізації поведінки Python-об'єктів.",[20687,20688,20689],"style",{},"html pre.shiki code .sHH4Y, html code.shiki .sHH4Y{--shiki-light:#000000;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .sJj4R, html code.shiki .sJj4R{--shiki-light:#098658;--shiki-default:#B5CEA8;--shiki-dark:#B5CEA8}html pre.shiki code .spJ8K, html code.shiki .spJ8K{--shiki-light:#008000;--shiki-default:#6A9955;--shiki-dark:#6A9955}html pre.shiki code .sbdoH, html code.shiki .sbdoH{--shiki-light:#A31515;--shiki-default:#CE9178;--shiki-dark:#CE9178}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: 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.sjcCO{--shiki-light:#EE0000;--shiki-default:#D7BA7D;--shiki-dark:#D7BA7D}",{"title":3408,"searchDepth":3436,"depth":3436,"links":20691},[20692,20694,20699,20705,20714,20720,20726,20733,20742,20748,20752,20760,20769],{"id":3391,"depth":3436,"text":20693},"Проблема: чому + працює і з числами, і з рядками?",{"id":3632,"depth":3436,"text":3633,"children":20695},[20696,20697,20698],{"id":3637,"depth":3454,"text":3638},{"id":3939,"depth":3454,"text":3940},{"id":4133,"depth":3454,"text":4134},{"id":4293,"depth":3436,"text":4294,"children":20700},[20701,20703],{"id":4297,"depth":3454,"text":20702},"__repr__ проти __str__: два різних призначення",{"id":4808,"depth":3454,"text":20704},"Метод __format__: власний форматний рядок",{"id":5362,"depth":3436,"text":5363,"children":20706},[20707,20708,20710,20712],{"id":5366,"depth":3454,"text":5367},{"id":6271,"depth":3454,"text":20709},"NotImplemented vs False: критична різниця",{"id":6396,"depth":3454,"text":20711},"@functools.total_ordering: мінімальна реалізація",{"id":6823,"depth":3454,"text":20713},"__hash__ та контракт рівності",{"id":7478,"depth":3436,"text":7479,"children":20715},[20716,20717,20718],{"id":7482,"depth":3454,"text":7483},{"id":8705,"depth":3454,"text":8706},{"id":8891,"depth":3454,"text":20719},"Протокол матричного множення: __matmul__",{"id":9286,"depth":3436,"text":9287,"children":20721},[20722,20723,20724],{"id":9290,"depth":3454,"text":9291},{"id":9414,"depth":3454,"text":9415},{"id":10880,"depth":3454,"text":20725},"Ітератор як окремий об'єкт: __iter__ + __next__",{"id":11329,"depth":3436,"text":20727,"children":20728},"Частина VI: Протокол виклику — __call__",[20729,20730,20731],{"id":11335,"depth":3454,"text":11336},{"id":11596,"depth":3454,"text":11597},{"id":12404,"depth":3454,"text":20732},"__call__ та перевірка callable",{"id":12572,"depth":3436,"text":12573,"children":20734},[20735,20737,20738,20740],{"id":12576,"depth":3454,"text":20736},"with під капотом: __enter__ та __exit__",{"id":12774,"depth":3454,"text":12775},{"id":13736,"depth":3454,"text":20739},"Пригнічення виключень: коли __exit__ повертає True",{"id":14042,"depth":3454,"text":20741},"contextlib.contextmanager: декораторний спосіб",{"id":14351,"depth":3436,"text":14352,"children":20743},[20744,20745,20746],{"id":14355,"depth":3454,"text":14356},{"id":14412,"depth":3454,"text":14413},{"id":15089,"depth":3454,"text":20747},"__getattr__ для динамічних проксі",{"id":15358,"depth":3436,"text":15359,"children":20749},[20750,20751],{"id":15362,"depth":3454,"text":15363},{"id":15590,"depth":3454,"text":15591},{"id":16033,"depth":3436,"text":16034,"children":20753},[20754,20756,20758],{"id":16037,"depth":3454,"text":20755},"Рівень 1 (Базовий): Клас Money",{"id":16202,"depth":3454,"text":20757},"Рівень 2 (Середній): Клас TimeSeries",{"id":16345,"depth":3454,"text":20759},"Рівень 3 (Advanced): Валідуючий дескриптор через __set_name__",{"id":16494,"depth":3436,"text":16495,"children":20761},[20762,20763,20764,20765,20766,20767,20768],{"id":16505,"depth":3454,"text":16506},{"id":16548,"depth":3454,"text":16549},{"id":19968,"depth":3454,"text":19969},{"id":19975,"depth":3454,"text":19976},{"id":20021,"depth":3454,"text":20022},{"id":20045,"depth":3454,"text":20046},{"id":20340,"depth":3454,"text":20341},{"id":20592,"depth":3436,"text":20593},"Глибоке дослідження системи dunder-методів Python — від рядкового представлення та арифметики до контейнерних протоколів і контекстних менеджерів. Розуміння того, як Python реалізує оператори та вбудовані функції через спеціальні методи об'єктів.","md",null,{},{"title":2573,"description":20770},"xq5cEmuQDiGAIF4yfnCzf44VaeFkWO9KaeTekz2ryms",[20777,20779],{"title":2569,"path":2570,"stem":2571,"description":20778,"children":-1},"Глибокий аналіз двох підходів до абстракції в Python — формальних Abstract Base Classes (ABC) та структурних Protocols (PEP 544). Номінативна та структурна типізація, mypy, runtime-перевірки та вибір правильного інструменту для production-коду.",{"title":2577,"path":2578,"stem":2579,"description":20780,"children":-1},"Глибокий розбір декораторів у Python — від @staticmethod і @classmethod до декораторів класів і callable-екземплярів. Як декоратори трансформують методи, зберігають стан між викликами та дозволяють будувати гнучку авторизацію й кешування без зміни основного коду.",1783248143939]