def test_mock_2(self): self.assertEqual(part1("xxydf"), "xxyzz")
def test_mock_1(self): self.assertEqual(part1("bbccc"), "bbcdd")
def test_example_1(self): self.assertEqual(part1("abcdefgh"), "abcdffaa")
def test_example_2(self): self.assertEqual(part1("ghijklmn"), "ghjaabcc")
def test_input(self): self.assertEqual(part1(get_input(2015, 11)), "hxbxxyzz")