default=default,
            default_factory=default_factory,
            alias=alias,
            title=title,
            description=description,
            gt=gt,
            ge=ge,
            lt=lt,
            le=le,
            min_length=min_length,
            max_length=max_length,
            discriminator=discriminator,
            multiple_of=multiple_of,
            allow_nan=allow_inf_nan,

        validation_alias=validation_alias,
        serialization_alias=serialization_alias,
        title=title,
        description=description,
        gt=gt,
        ge=ge,
        lt=lt,
        le=le,
        min_length=min_length,
        max_length=max_length,
        pattern=pattern,
        regex=regex,
        discriminator=discriminator,
        strict=strict,

                                }
                            },
                        },
                    },
                    "summary": "Get Path Param Lt",
                    "operationId": "get_path_param_lt_path_param_lt__item_id__get",
                    "parameters": [
                        {
                            "required": True,
                            "schema": {

@app.get("/path/param-lt/{item_id}")
def get_path_param_lt(item_id: float = Path(lt=3)):
    return item_id


@app.get("/path/param-lt0/{item_id}")
def get_path_param_lt0(item_id: float = Path(lt=0)):
    return item_id


@app.get("/path/param-le/{item_id}")
def get_path_param_le(item_id: float = Path(le=3)):
    return item_id


@app.get("/path/param-lt-gt/{item_id}")

    assert response.status_code == 200
    assert response.json() == 2


def test_path_param_lt_gt_2():
    response = client.get("/path/param-lt-gt/2")
    assert response.status_code == 200
    assert response.json() == 2


def test_path_param_lt_gt_4():
    response = client.get("/path/param-lt-gt/4")
    assert response.status_code == 422
    assert response.json() == IsDict(
        {

Таким образом, `0.5` будет корректным значением. А `0.0` или `0` — нет.

То же самое справедливо и для <abbr title="less than"><code>lt</code></abbr>.

=== "Python 3.9+"

    ```Python hl_lines="13"
    {!> ../../../docs_src/path_params_numeric_validations/tutorial006_an_py39.py!}
    ```

=== "Python 3.8+"