def spam():
"""Prints 'Eggs!'"""
print "Eggs!"
spam() 注意别漏了这行呀
def one_good_turn(n):
return n + 1
def deserves_another(n):
return one_good_turn(n) + 2
def cube(number):
return number * number * number
def by_three(number):
if number % 3 == 0:
return cube(number)
else:
return False
import math
print math.sqrt(25)
