def test_tuple_param(self): self.assertEqual(two_digit_datetime(()), "()")
def test_dict_param(self): self.assertEqual(two_digit_datetime({}), "{}")
def test_list_param(self): self.assertEqual(two_digit_datetime([]), "[]")
def test_three_string(self): self.assertEqual(two_digit_datetime("123"), "23")
def test_two_digit(self): self.assertEqual(two_digit_datetime(12), "12")
def test_one_string(self): self.assertEqual(two_digit_datetime("1"), "01")
def test_three_digit(self): self.assertEqual(two_digit_datetime(123), "23")
def test_one_digit(self): self.assertEqual(two_digit_datetime(1), "01")
def test_empty_string(self): self.assertEqual(two_digit_datetime(""), "0")
def test_two_string(self): self.assertEqual(two_digit_datetime("12"), "12")
def test_word_string(self): self.assertEqual(two_digit_datetime("random"), "om")
def test_no_param(self): with self.assertRaises(TypeError): two_digit_datetime()