code: def size(self, minimum: int = 1, maximum: int = 100) -> str:
          
          num = self.random.randint(minimum, maximum)
          unit = self.random.choice(
              ['bytes', 'kB', 'MB', 'GB', 'TB'])
  
          return '{num} {unit}'.format(
              num=num,
              unit=unit,
          )
docs: Get size of file.
  
          :param minimum: Maximum value.
          :param maximum: Minimum value.
          :return: Size of file.
  
          :Example:
              56 kB