~cpp 
import unittest

class Apple:
    def __init__(self,amount):
        self.amount = amount
        
    def times(self, multiplier):
        return self.amount * multiplier
    
class AppleTest(unittest.TestCase):
    def testTimes(self):
        apple = Apple(5)
        self.assertEquals(10,apple.times(2))        

if __name__=='__main__':
    unittest.main()