def METHOD_NAME(self) -> None:
    state_dict: STATE_DICT_TYPE = {}
    _traverse.set_element(state_dict, ("k",), 10)
    self.assertEqual(state_dict["k"], 10)
    _traverse.set_element(state_dict, ("k1", 2), 1)
    self.assertEqual(state_dict["k1"], [None, None, 1])
    _traverse.set_element(state_dict, ("k1", 1), 99)
    self.assertEqual(state_dict["k1"], [None, 99, 1])
    _traverse.set_element(state_dict, ("k1", 3), 88)
    self.assertEqual(state_dict["k1"], [None, 99, 1, 88])
    _traverse.set_element(state_dict, ("k2", "k3"), 3)
    self.assertEqual(state_dict["k2"], {"k3": 3})
    _traverse.set_element(state_dict, ("k2", "k4", 0, 0), 99)
    self.assertEqual(state_dict["k2"]["k4"][0], [99])