def test_get_diagonal1(self): self.assertEqual( solution( # matrix [[1, 2], [3, 4]]), # output [[1], [2, 3], [4]])
def test_get_diagonal2(self): self.assertEqual( solution( # matrix [[1, 2, 3], [4, 5, 6], [7, 8, 9]]), # output [[1], [2, 4], [3, 5, 7], [6, 8], [9]])
def test_get_diagonal_single(self): self.assertEqual(solution([[4]]), [[4]])