Python Writing Shopping Cart program

I am not talkative, no nonsense, directly on the code:

#!/usr/bin/env python# -*- coding: utf-8 -*-#_auth  by kkdef goods_list ():     shangpin={"iphone": "6000", "MacAir": "15000", "Tea": "", "book": "The"}     print  "-" *12 +u "Product List"  + "-" *12    for key in  shangpin:        print  "Goods: %s --> price:  %s " %  (Key,shangpin[key])     print "-"*12 +u" Product List " +"-"*12     return shangpindef jiesuan (money,shangpin_list):     sheng_money=money    while true:        qt= Raw_input (U "Do you need to shop? y/n \n ")         if qt==" Y ":             gou_goods=raw_input (U "Please enter the name of the product you want to buy, please refer to the product list: \ n")              if gou_goods in shangpin_list:                 sheng_money=int (Sheng_money)-int (Shangpin_list[gou_goods])                  if sheng_money>=0:                     print    You have purchased the%s product, total consumption  %s,  you have  %s dollars left! " %  (Gou_goods,shangpin_list[gou_goods],sheng_money)                  else:                     print  "Your money is not enough, please recharge, welcome to the next visit!" "                     break            else:                 print  "No this item! "        else:             print  "Welcome to the next visit!" "            breakif __name__==  ' __main_ _ ':     shangpin_list=goods_list ()     try:         money=raw_input (U "please recharge after the purchase of goods, please enter the amount of recharge: \ n")          print  "Your recharge amount is  %s, the top up is successful!" "%  (Money)     except IOError,e:         print  "Input error, please check!"     jiesuan (Money,shangpin_list)

This article is from the "Microsoft" blog, so be sure to keep this source http://1238306.blog.51cto.com/1228306/1709677

Python Writing Shopping Cart program