def test_arguments_greater_zero(self):
num1 = 1
num2 = 6
result = add(num1, num2)
self.assertEqual(result, 7)
def test_second_zero_argument(self):
num1 = 6
num2 = 0
result = add(num1, num2)
self.assertTrue(result == num1)
def test_arguments_less_zero(self):
num1 = -1
num2 = -6
result = add(num1, num2)
self.assertLess(result, num1)
self.assertLess(result, num2)
def test_first_zero_argument(self):
num1 = 0
num2 = 6
result = add(num1, num2)
self.assertTrue(result == num2)
def main():
print(add('2', 5))
print(subtract(7, 3))