/**
   * Returns a string copy of the input character sequence, with each matching BMP character
   * replaced by a given replacement sequence. For example:
   *
   * <pre>{@code
   * CharMatcher.is('a').replaceFrom("yaha", "oo")
   * }</pre>
   *
   * ... returns {@code "yoohoo"}.
   *
   * <p><b>Note:</b> If the replacement is a fixed string with only one character, you are better

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```Python
{!../../docs_src/python_types/tutorial011.py!}
```

/// info

Daha fazla şey öğrenmek için <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic'i takip edin</a>.

///

**FastAPI** tamamen Pydantic'e dayanmaktadır.

Daha fazlasini görmek için [Tutorial - User Guide](tutorial/index.md){.internal-link target=_blank}.

##  **FastAPI** tip belirteçleri

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    * **Sezgisel**: Editor desteğı. <abbr title="auto-complete, IntelliSense gibi isimlerle de bilinir">Otomatik tamamlama</abbr>. Daha az debugging.
    * **Kolay**: Kolay öğrenip kolay kullanmak için tasarlandı. Daha az döküman okuma daha çok iş.
    * **Kısa**: Minimum kod tekrarı. Her parametre bildiriminde birden çok özellik.
    * **Güçlü**: Production-ready. Otomatik interaktif dökümantasyon.

/// check | "**FastAPI**'a nasıl ilham oldu?"

Model özelliklerinin "standart" değerlerini kullanarak veri tipleri için ekstra veri doğrulama koşulları tanımlamalı. Bu editör desteğini geliştiriyor ve daha önceden Pydantic'te yoktu.

### Eşzamanlılık paralellikten daha mı iyi?

Hayır!  Hikayenin ahlakı bu değil.