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  1. docs/fr/docs/tutorial/query-params-str-validations.md

    ```
    
    Le paramètre de requête `q` a pour type `Union[str, None]` (ou `str | None` en Python 3.10), signifiant qu'il est de type `str` mais pourrait aussi être égal à `None`, et bien sûr, la valeur par défaut est `None`, donc **FastAPI** saura qu'il n'est pas requis.
    
    !!! note
        **FastAPI** saura que la valeur de `q` n'est pas requise grâce à la valeur par défaut `= None`.
    
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  2. docs/em/docs/tutorial/query-params-str-validations.md

        ```
    
    👥 ✔️ ❎ 🔢 💲 `None` 🔢 ⏮️ `Query()`, 👥 💪 🔜 ⚒ 🔢 💲 ⏮️ 🔢 `Query(default=None)`, ⚫️ 🍦 🎏 🎯 ⚖ 👈 🔢 💲.
    
    :
    
    ```Python
    q: Union[str, None] = Query(default=None)
    ```
    
    ...⚒ 🔢 📦, 🎏:
    
    ```Python
    q: Union[str, None] = None
    ```
    
    & 🐍 3️⃣.1️⃣0️⃣ & 🔛:
    
    ```Python
    q: str | None = Query(default=None)
    ```
    
    ...⚒ 🔢 📦, 🎏:
    
    ```Python
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  3. docs/ja/docs/tutorial/query-params-str-validations.md

    ```
    
    デフォルト値`None`を`Query(default=None)`に置き換える必要があるので、`Query`の最初の引数はデフォルト値を定義するのと同じです。
    
    なので:
    
    ```Python
    q: Optional[str] = Query(default=None)
    ```
    
    ...を以下と同じようにパラメータをオプションにします:
    
    ```Python
    q: Optional[str] = None
    ```
    
    しかし、これはクエリパラメータとして明示的に宣言しています。
    
    !!! info "情報"
        FastAPIは以下の部分を気にすることを覚えておいてください:
    
        ```Python
        = None
        ```
    
        もしくは:
    
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  4. docs/en/docs/tutorial/query-params-str-validations.md

        ```Python
        q: str | None = None
        ```
    
    === "Python 3.8+"
    
        ```Python
        q: Union[str, None] = None
        ```
    
    What we will do is wrap that with `Annotated`, so it becomes:
    
    === "Python 3.10+"
    
        ```Python
        q: Annotated[str | None] = None
        ```
    
    === "Python 3.8+"
    
        ```Python
        q: Annotated[Union[str, None]] = None
        ```
    
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  5. docs/ko/docs/tutorial/query-params-str-validations.md

    ```
    
    기본값 `None`을 `Query(None)`으로 바꿔야 하므로, `Query`의 첫 번째 매개변수는 기본값을 정의하는 것과 같은 목적으로 사용됩니다.
    
    그러므로:
    
    ```Python
    q: Optional[str] = Query(None)
    ```
    
    ...위 코드는 아래와 동일하게 매개변수를 선택적으로 만듭니다:
    
    ```Python
    q: Optional[str] = None
    ```
    
    하지만 명시적으로 쿼리 매개변수를 선언합니다.
    
    !!! info "정보"
        FastAPI는 다음 부분에 관심이 있습니다:
    
        ```Python
        = None
        ```
    
        또는:
    
        ```Python
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  6. docs/pt/docs/tutorial/query-params-str-validations.md

    ```
    
    Note que substituímos o valor padrão de `None` para `Query(default=None)`, o primeiro parâmetro de `Query` serve para o mesmo propósito: definir o valor padrão do parâmetro.
    
    Então:
    
    ```Python
    q: Union[str, None] = Query(default=None)
    ```
    
    ...Torna o parâmetro opcional, da mesma maneira que:
    
    ```Python
    q: Union[str, None] = None
    ```
    
    Mas o declara explicitamente como um parâmetro de consulta.
    
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  7. docs/ru/docs/tutorial/query-params-str-validations.md

    === "Python 3.10+"
    
        ```Python
        q: str | None = None
        ```
    
    === "Python 3.8+"
    
        ```Python
        q: Union[str, None] = None
        ```
    
    Вот что мы получим, если обернём это в `Annotated`:
    
    === "Python 3.10+"
    
        ```Python
        q: Annotated[str | None] = None
        ```
    
    === "Python 3.8+"
    
        ```Python
        q: Annotated[Union[str, None]] = None
        ```
    
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  8. docs/de/docs/tutorial/query-params-str-validations.md

    === "Python 3.10+"
    
        ```Python
        q: str | None = None
        ```
    
    === "Python 3.8+"
    
        ```Python
        q: Union[str, None] = None
        ```
    
    Wir wrappen das nun in `Annotated`, sodass daraus wird:
    
    === "Python 3.10+"
    
        ```Python
        q: Annotated[str | None] = None
        ```
    
    === "Python 3.8+"
    
        ```Python
        q: Annotated[Union[str, None]] = None
        ```
    
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  9. docs/zh/docs/tutorial/query-params-str-validations.md

    ```
    
    由于我们必须用 `Query(default=None)` 替换默认值 `None`,`Query` 的第一个参数同样也是用于定义默认值。
    
    所以:
    
    ```Python
    q: Union[str, None] = Query(default=None)
    ```
    
    ...使得参数可选,等同于:
    
    ```Python
    q: str = None
    ```
    
    但是 `Query` 显式地将其声明为查询参数。
    
    然后,我们可以将更多的参数传递给 `Query`。在本例中,适用于字符串的 `max_length` 参数:
    
    ```Python
    q: Union[str, None] = Query(default=None, max_length=50)
    ```
    
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