def square(a):
x = a * a
return a
def cube(a):
l = [1, 2, 4]
t = (1, 2, 3)
d = {1: 'one', 2: 'two', 'three': 3}
s = u'unixcode'
x = xrange(1, 10)
b = buffer("xxx")
x = square(a)
x = x * a
x = x + 1
x = x - 1
return x
def main():
print cube(3)
print cube(4)
print cube(5)
if __name__ == '__main__':
main()