def main():
s = Stack()
print('Empty?: %s' % s.IsEmpty())
s.Push('Dazed and Confused')
s.Push('I Can\'t Quit You Baby')
s.Push('Wearing and Tearing')
print(s.Peek())
print(s.Peek())
print('Size: %s' % s.Size())
s.Pop()
print('Size: %s' % s.Size())
def test_StackSize(self):
expectedResult = 3
testStack = Stack()
testStack.Push(1)
testStack.Push(2)
testStack.Push(3)
testResult = testStack.Size()
self.assertEqual(testResult, expectedResult)
