1 # -*- coding:utf-8 -*-
 2 def cheese_and_crackers(cheese_count, boxes_of_crackers):
 3     print ("You Have %d cheeses!" % cheese_count)  
 4     print ("You have %s boxes of crackers!" % boxes_of_crackers)  # 掌握格式符的用法%r %s %d 
 5     print ("Man that‘s enough for a party!")
 6     print ("Get a blanket.\n")
 7     
 8 print ("We can just give the function numbers directly:")
 9 cheese_and_crackers(20,30)
10 
11 print ("OR,we can use variables from our script:")
12 amount_of_cheese = int(float(input(">>>"))) #掌握这两个函数的套用
13 amount_of_crackers = input(">>>>")
14 
15 cheese_and_crackers(amount_of_cheese,amount_of_crackers)
16 
17 print ("We can even do math inside too:")
18 cheese_and_crackers(10 * 20,5 + 6)
19 
20 print ("And we can combine the two, variables and math")
21 cheese_and_crackers(amount_of_cheese + 100, amount_of_crackers + "100")