code: def schoice(self, seq: str, end: int = 10) -> str:
          
          return ''.join(self.choice(list(seq))
                         for _ in range(end))
docs: Choice function which returns string created from sequence.
  
          :param seq: Sequence of letters or digits.
          :type seq: tuple or list
          :param end: Max value.
          :return: Single string.