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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def remove_list_members(self, screen_name=None, user_id=None, slug=None, list_id=None, owner_id=None, owner_screen_name=None):
 """ Perform bulk remove of list members from user ID or screenname """

        return self._remove_list_members(list_to_csv(screen_name),
                                         list_to_csv(user_id),
                                         slug, list_id, owner_id,
                                         owner_screen_name)