def test_merge_and_count_inv_5(self): self.assertEqual(merge_and_count_inv((0, [2]), (0, [1])), (1, [1, 2]))
def test_merge_and_count_inv_6(self): self.assertEqual(merge_and_count_inv((0, [3, 4]), (0, [1, 2])), (4, [1, 2, 3, 4]))
def test_merge_and_count_inv_3(self): self.assertEqual(merge_and_count_inv((0, [1]), (0, [])), (0, [1]))