def test_equal_1(self): self.assertEqual(transpose_two_strings(['Hello', 'World']), 'H W\ne o\nl r\nl l\no d')
def test_equal_5(self): self.assertEqual(transpose_two_strings(['!a!a!', '?b?b']), '! ?\na b\n! ?\na b\n! ')
def test_equal_3(self): self.assertEqual(transpose_two_strings(['a', 'cat']), 'a c\n a\n t')
def test_equal_4(self): self.assertEqual(transpose_two_strings(['cat', '']), 'c \na \nt ')
def test_equal_2(self): self.assertEqual(transpose_two_strings(['joey', 'louise']), 'j l\no o\ne u\ny i\n s\n e')