def METHOD_NAME(self):
    self.assertEqual(
        parse_tag_list("!a !b !c"),
        [("a", False), ("b", False), ("c", False)],
    )
    self.assertEqual(
        parse_tag_list("!@a !@b !@c"),
        [("@a", False), ("@b", False), ("@c", False)],
    )