#!/usr/bin/env python# -*- coding:utf-8 -*-def cheese_and_crakers(cheese_count, boxes_of_crackers):    ‘‘‘定义了cheese_and_crakers的函数    读出两个变量，并输出他们。    ‘‘‘    print "You have %d cheeses!" % cheese_count    print "You have %d boxes of crackers!" % boxes_of_crackers    print "Man that‘s enough for a party!"    print "Get a blanket.\n"#可以直接把相关数值带入这个函数。print "We can just give the function numbers directly:"cheese_and_crakers(20,30)#也可以把相关变量带入这个函数，前提是需要是数字。因为格式化输出时，给的是%d.print "OR, We can use variables from our script:"amount_of_cheese = 10amount_of_crackers = 50cheese_and_crakers(amount_of_cheese,amount_of_crackers)#也可以使用运算print "We can even do math inside too:"cheese_and_crakers(10+2, 5+6)#也可以使用变量进行运算。print "And we can combine the two,variables and math:"cheese_and_crakers(amount_of_cheese + 100, amount_of_crackers + 1000)