练习19——函数和变量类型

# -*- coding: utf-8 -*-#19: 函数和变量类型#函数的参数可以是数字（#1），可以是变量（#2），可以进行运算（#3），还可以变量和运算同时存在（#4）def cheese_and_crackers(cheese_count, boxes_of_crackers):    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")#1print ("We can just give the function numbers directly:")cheese_and_crackers(20, 30)#2print ("Orm we can use varables from our script:")amount_of_cheese = 10amount_of_crackers = 50cheese_and_crackers(amount_of_cheese,amount_of_crackers)#3print ("We can do math in side too:")cheese_and_crackers(10 + 20, 5+ 6)#4print ("And we can combine the two, varables and math:")cheese_and_crackers(amount_of_cheese + 100, amount_of_crackers + 1000)