def test_equals_2(self):
self.assertEqual(transpose([[1]]), [[1]])
def test_equals(self):
self.assertEqual(transpose([]), [])
def test_equals_4(self):
self.assertEqual(transpose([[1, 2, 3], [4, 5, 6]]),
[[1, 4], [2, 5], [3, 6]])
def test_equals_6(self):
self.assertEqual(transpose([[], [], [], [], [], []]), [[]])
def test_equals_3(self):
self.assertEqual(transpose([[0, 1]]), [[0], [1]])
