def main(user_id: str):
    return user_id


# Un modèle Pydantic
class User(BaseModel):
    id: int
    name: str
    joined: date
```
Qui peuvent ensuite être utilisés comme cela:

```Python
my_user: User = User(id=3, name="John Doe", joined="2018-07-19")

second_user_data = {
    "id": 4,
    "name": "Mary",
    "joined": "2018-11-30",
}

		err = msgp.WrapError(err, "VersionID")
		return
	}
	z.ModTime, bts, err = msgp.ReadInt64Bytes(bts)
	if err != nil {
		err = msgp.WrapError(err, "ModTime")
		return
	}
	bts, err = msgp.ReadExactBytes(bts, (z.Signature)[:])
	if err != nil {
		err = msgp.WrapError(err, "Signature")
		return
	}
	{
		var zb0002 uint8
		zb0002, bts, err = msgp.ReadUint8Bytes(bts)
		if err != nil {

	data, err := ies.loadIAMConfigBytes(ctx, getPolicyDocPath(policy))
	if err != nil {
		if err == errConfigNotFound {
			return errNoSuchPolicy
		}
		return err
	}

	var p PolicyDoc
	err = p.parseJSON(data)
	if err != nil {
		return err
	}

	m[policy] = p
	return nil
}

		_, err := checkURL(testCase.urlStr)
		if testCase.shouldPass && err != nil {
			t.Errorf("Test %d: expected to pass but got an error: %v\n", i+1, err)
		}
		if !testCase.shouldPass && err == nil {
			t.Errorf("Test %d: expected to fail but passed.", i+1)
		}
	}
}

// Testing dumping request function.
func TestDumpRequest(t *testing.T) {

	result := make(map[string]string)
	err := filepath.Walk("/dev/disk/by-uuid/",
		func(path string, info os.FileInfo, err error) error {
			if err != nil {
				return err
			}
			realPath, err := filepath.EvalSymlinks(path)
			if err != nil {
				return err
			}
			result[realPath] = strings.TrimPrefix(path, "/dev/disk/by-uuid/")
			return nil
		})
	if err != nil {
		return nil, err
	}
	return result, nil
}

	respBody, err := client.callWithContext(context.Background(), peerRESTMethodSpeedTest, values, nil, -1)
	if err != nil {
		return SpeedTestResult{}, err
	}
	defer xhttp.DrainBody(respBody)
	waitReader, err := waitForHTTPResponse(respBody)
	if err != nil {
		return SpeedTestResult{}, err
	}

	var result SpeedTestResult
	err = gob.NewDecoder(waitReader).Decode(&result)

	opts, err = getDefaultOpts(r.Header, false, nil)
	if err != nil {
		return opts, err
	}
	opts.PartNumber = partNumber
	opts.VersionID = vid

	delMarker, err := parseBoolHeader(bucket, object, r.Header, xhttp.MinIOSourceDeleteMarker)
	if err != nil {
		return opts, err
	}
	opts.DeleteMarker = delMarker

						if err := preloadEntryPoint(tx, nestedJoins, &tx.Statement.Schema.Relationships, preloadMap[name], associationsConds); err != nil {
							return err
						}
					}
				case reflect.Struct, reflect.Pointer:
					reflectValue := rel.Field.ReflectValueOf(db.Statement.Context, rv)
					tx := preloadDB(db, reflectValue, reflectValue.Interface())

Coitados dos banners de cookies com todo o seu esforço para obter o seu consentimento para a <abbr title="Isso é uma outra piada. Não preste atenção em mim. Beba um café com o seu cookie. ☕">API rejeitá-lo</abbr>. 🍪

		t.Fatalf("want %q, ErrBufFull got %q, err=%v", "abcdefghijklmnop", string(s), err)
	}
	if _, err := buf.Read(p[0:3]); string(p[0:3]) != "abc" || err != nil {
		t.Fatalf("want %q got %q, err=%v", "abc", string(p[0:3]), err)
	}
	if s, err := buf.Peek(1); string(s) != "d" || err != nil {
		t.Fatalf("want %q got %q, err=%v", "d", string(s), err)
	}
	if s, err := buf.Peek(2); string(s) != "de" || err != nil {