code: def __get_name_or_id(values, known):
          
          result = list()
          for element in [e.strip() for e in values.split(',')]:
              for item in [i for i in known if i.name == element or i.id == element]:
                  result.append(item)
          return result
docs: Return list of values that match attribute ``.id`` or ``.name`` of any object in list `known`.
  
          :param str values: comma-separated list (i.e., a Python string) of items
          :param list known: list of libcloud items to filter
          :return: list of the libcloud items that match the given values