import unittest

class MyTestCase(unittest.TestCase): def test_addition(self): result = 2 + 2 self.assertEqual(result, 4)

def test_subtraction(self):
    result = 5 - 3
    self.assertEqual(result, 2)

def test_multiplication(self):
    result = 4 * 3
    self.assertEqual(result, 12)

def test_division(self):
    result = 10 / 2
    self.assertEqual(result, 5)

if name == ‘main’: unittest.main()