//// tab | Python 3.9+

```Python hl_lines="34"
{!> ../../docs_src/body_updates/tutorial002_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="34"
{!> ../../docs_src/body_updates/tutorial002.py!}
```

////

### Pydantics `update`-Parameter verwenden

```Python hl_lines="1  18"
{!../../docs_src/response_directly/tutorial002.py!}
```

### `HTMLResponse`

如上文所述，接受文本或字节并返回 HTML 响应。

### `PlainTextResponse`

接受文本或字节并返回纯文本响应。

```Python hl_lines="2  7  9"
{!../../docs_src/custom_response/tutorial005.py!}
```

### `JSONResponse`

接受数据并返回一个 `application/json` 编码的响应。

//// tab | Python 3.10+

```Python hl_lines="7"
{!> ../../docs_src/query_params/tutorial002_py310.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="9"
{!> ../../docs_src/query_params/tutorial002.py!}
```

////

In diesem Fall wird der Funktionsparameter `q` optional, und standardmäßig `None` sein.

/// check

////

//// tab | Python 3.8+ nicht annotiert

/// tip | "Tipp"

Bevorzugen Sie die `Annotated`-Version, falls möglich.

///

```Python hl_lines="11-15"
{!> ../../docs_src/dependencies/tutorial002.py!}
```

////

Achten Sie auf die Methode `__init__`, die zum Erstellen der Instanz der Klasse verwendet wird:

//// tab | Python 3.10+

```Python hl_lines="12"

```

////

//// tab | Python 3.8+ non-Annotated

/// tip

Prefer to use the `Annotated` version if possible.

///

```Python hl_lines="5  12-16"
{!> ../../docs_src/security/tutorial002.py!}
```

////

## Create a `get_current_user` dependency

Let's create a dependency `get_current_user`.

Remember that dependencies can have sub-dependencies?

//// tab | Python 3.6+ без Annotated

/// tip | "Подсказка"

Рекомендуется использовать версию с `Annotated` если возможно.

///

```Python hl_lines="11-15"
{!> ../../docs_src/dependencies/tutorial002.py!}
```

////

Обратите внимание на метод `__init__`, используемый для создания экземпляра класса:

//// tab | Python 3.10+

```Python hl_lines="12"

{!../../docs_src/custom_request_and_route/tutorial002.py!}
```

🚥 ⚠ 📉, `Request` 👐 🔜 ↔, 👥 💪 ✍ & ⚒ ⚙️ 📨 💪 🕐❔ 🚚 ❌:

```Python hl_lines="16-18"
{!../../docs_src/custom_request_and_route/tutorial002.py!}
```

## 🛃 `APIRoute` 🎓 📻

👆 💪 ⚒ `route_class` 🔢 `APIRouter`:

```Python hl_lines="26"
{!../../docs_src/custom_request_and_route/tutorial003.py!}
```

```Python hl_lines="1  18"
{!../../docs_src/response_directly/tutorial002.py!}
```

### `HTMLResponse`

✊ ✍ ⚖️ 🔢 & 📨 🕸 📨, 👆 ✍ 🔛.

### `PlainTextResponse`

✊ ✍ ⚖️ 🔢 & 📨 ✅ ✍ 📨.

```Python hl_lines="2  7  9"
{!../../docs_src/custom_response/tutorial005.py!}
```

### `JSONResponse`

✊ 💽 & 📨 `application/json` 🗜 📨.

```Python hl_lines="34"
{!> ../../../docs_src/body_updates/tutorial002_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="34"
{!> ../../../docs_src/body_updates/tutorial002.py!}
```

////

### Usando o parâmetro `update` do Pydantic

//// tab | Python 3.9+

```Python hl_lines="34"
{!> ../../docs_src/body_updates/tutorial002_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="34"
{!> ../../docs_src/body_updates/tutorial002.py!}
```

////

### Using Pydantic's `update` parameter

Now, you can create a copy of the existing model using `.model_copy()`, and pass the `update` parameter with a `dict` containing the data to update.