def test_function_4_correct_output_2(self):
result_output = simple_functions.function_4(-1, 0)
expected_output = -1
self.assertEqual(result_output, expected_output)
def test_function_4_correct_output_3(self):
result_output = simple_functions.function_4(9.00, 3.2)
expected_output = 12.2
self.assertEqual(result_output, expected_output)
def test_function_4_correct_output_1(self):
result_output = simple_functions.function_4(3, 5)
expected_output = 8
self.assertEqual(result_output, expected_output)