@ -42,6 +42,9 @@ class calculationsWithRoots(unittest.TestCase):
def test_one_zero_1_or_0_equals_1(self):
self.assertEqual(one_zero(1, 0), 1)
def test_one_zero_1_or_0_equals_11(self):
self.assertEqual(one_zero(0, 0), None)
if __name__ == "__main__":
unittest.main()