code: def make_list(cls, item_converter=None, listsep=','):
          
          if not item_converter:
              item_converter = parse_anything
          return cls.with_cardinality(Cardinality.many, item_converter,
                                  pattern=cls.anything_pattern, listsep=listsep)
docs: Create a type converter for a list of items (many := 1..*).
          The parser accepts anything and the converter needs to fail on errors.
  
          :param item_converter:  Type converter for an item.
          :param listsep:  List separator to use (as string).
          :return: Type converter function object for the list.