testing

class Factory(abc.ABC):
    counter = 0
    model: Type

    @classmethod
    @abc.abstractmethod
    def create(cls, **kwargs: Any) -> Any:
        """Abstract method create."""

    @classmethod
    def reset(cls):
        cls.counter = 65

    @classmethod
    def next_letter(cls) -> str:
        cls.counter += 1
        return chr(cls.counter)

    @classmethod
    def list(cls, number: int, **kwargs: Any) -> List:
        return [cls.create(**kwargs) for _ in range(number)]