code: def _parsed_items(items, sep=_SEP, **options):
      
      parse = _parse if options.get("ac_parse_value") else anyconfig.utils.noop
      for key, val in items:
          yield (key, parse(val, sep))
docs: :param items: List of pairs, [(key, value)], or generator yields pairs
      :param sep: Seprator string
      :return: Generator to yield (key, value) pair of 'dic'