作业：购物商场

1、商品展示，价格

2、银行卡余额

3、付账

 

 

程序流程图如下：

 

代码如下：

1 ShopDisplay = {
   'clothes1':'498','jeans':'128','shoes':'289','hat':'99','clothes2':'599'} 2 print(ShopDisplay) 3 ShoppingCartPrice = [] 4 ShoppingCart = {} 5 while True: 6     thing = input("You want to buy :") 7  8     price = ShopDisplay['%s' %thing] 9     ShoppingCart.update({ '%s' %thing:'%s' %price })10 11     ShoppingCartPrice.append('%s' % price)12 13     answer = input("Do you want to continue buy something else?Please say yes or no:")14     if answer == 'yes':15         continue16     else:17         break18 19 20 def shit():21     sum = 022     TotalMoney = 100023     for i in ShoppingCartPrice:24         sum = sum + int(i)25         TotalMoney = TotalMoney - sum26         if TotalMoney > 0:27             a = input("Do you really want to buy tins ?Please enter yes or no !\n")28             if a == 'yes':29                 print("Successful,wish you a happy shopping!\n")30                 exit()31             else:32                 print("Thanks you for come to my shop!")33                 exit()34         else:35             print("Sorry,you have not enough money!Please remove somethings!\n")36 37 38 39 sum = 040 TotalMoney = 100041 for i in ShoppingCartPrice:42     sum = sum + int(i)43     TotalMoney = TotalMoney - sum44 if TotalMoney > 0 :45     a = input("Do you really want to buy tins ?Please enter yes or no !\n")46     if a == 'yes':47         print("Successful,wish you a happy shopping!\n")48         exit()49     else :50         exit()51 else :52     print("Sorry,you have not enough money!Please remove somethings!\n")53 54     while True:55         print("Your shopping cart have this thing:\n")56         print(ShoppingCart)57 58         print("If you don't want to del,please enter '.'\n")59         del_thing = input("Please input the goods that you don't want to buy:\n")60         if del_thing == '.':61             break62 63         s = ShoppingCart['%s' % del_thing]64         ShoppingCart.pop('%s' % del_thing)65 66         ShoppingCartPrice.remove(s)67 68 shit()

 

　　

代码很简陋，作业功能基本都实现了，将就着看吧。。。。日后再来优化