def test_tuples_are_immutable_so_appending_is_not_possible(self):
    count_of_three = (1, 2, 5)
    with self.assertRaises(AttributeError):
        count_of_three.append('boom')
def test_tuples_are_immutable_so_appending_is_not_possible(self):
    count_of_three = (1, 2, 5)
    with self.assertRaises(AttributeError):
        count_of_three.append('boom')