code: def and_(*validators):
      
      vals = []
      for validator in validators:
          vals.extend(
              validator._validators
              if isinstance(validator, _AndValidator)
              else [validator]
          )
  
      return _AndValidator(tuple(vals))
docs: A validator that composes multiple validators into one.
  
      When called on a value, it runs all wrapped validators.
  
      :param validators: Arbitrary number of validators.
      :type validators: callables
  
      .. versionadded:: 17.1.0