//// tab | Python 3.9+

```Python hl_lines="10"
{!> ../../docs_src/path_params_numeric_validations/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="9"
{!> ../../docs_src/path_params_numeric_validations/tutorial002_an.py!}
```

////

You can use Pydantic's model configuration to `forbid` any `extra` fields:

//// tab | Python 3.9+

```Python hl_lines="10"
{!> ../../docs_src/cookie_param_models/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="11"
{!> ../../docs_src/cookie_param_models/tutorial002_an.py!}
```

////

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

To use that, declare a list of `bytes` or `UploadFile`:

//// tab | Python 3.9+

```Python hl_lines="10  15"
{!> ../../docs_src/request_files/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="11  16"
{!> ../../docs_src/request_files/tutorial002_an.py!}
```

////

//// tab | Python 3.9+ non-Annotated

from dirty_equals import IsDict
from fastapi import FastAPI
from fastapi.testclient import TestClient

from ...utils import needs_py39


@pytest.fixture(name="app")
def get_app():
    from docs_src.request_files.tutorial002_an_py39 import app

    return app


@pytest.fixture(name="client")
def get_client(app: FastAPI):
    client = TestClient(app)
    return client


@needs_py39

        pytest.param("tutorial002_py39", marks=needs_py39),
        pytest.param("tutorial002_py310", marks=needs_py310),
        "tutorial002_an",
        pytest.param("tutorial002_an_py39", marks=needs_py39),
        pytest.param("tutorial002_an_py310", marks=needs_py310),
    ],
)
def get_client(request: pytest.FixtureRequest):
    clear_sqlmodel()
    # TODO: remove when updating SQL tutorial to use new lifespan API

//// tab | Python 3.10+

```Python hl_lines="13  15  22  25"
{!> ../../docs_src/background_tasks/tutorial002_an_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="13  15  22  25"
{!> ../../docs_src/background_tasks/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="14  16  23  26"

//// tab | Python 3.10+

```Python hl_lines="13  15  22  25"
{!> ../../docs_src/background_tasks/tutorial002_an_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="13  15  22  25"
{!> ../../docs_src/background_tasks/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="14  16  23  26"

//// tab | Python 3.10+

```Python hl_lines="68-69  82"
{!> ../../docs_src/websockets/tutorial002_an_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="68-69  82"
{!> ../../docs_src/websockets/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="69-70  83"

Для этого необходимо объявить список `bytes` или `UploadFile`:

//// tab | Python 3.9+

```Python hl_lines="10  15"
{!> ../../docs_src/request_files/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.6+

```Python hl_lines="11  16"
{!> ../../docs_src/request_files/tutorial002_an.py!}
```

////

//// tab | Python 3.9+ без Annotated

它们的工作方式与其他 FastAPI 端点/ *路径操作* 相同：

//// tab | Python 3.10+

```Python hl_lines="68-69  82"
{!> ../../docs_src/websockets/tutorial002_an_py310.py!}
```

////

//// tab | Python 3.9+

```Python hl_lines="68-69  82"
{!> ../../docs_src/websockets/tutorial002_an_py39.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="69-70  83"