Python习题__购物车

功能要求：

• 要求用户输入总资产，例如：2000
• 显示商品列表，让用户根据序号选择商品，加入购物车
• 购买，如果商品总额大于总资产，提示账户余额不足，否则，购买成功。
• 附加：可充值、某商品移除购物

  goods = [
      {"name": "电脑", "price": 1999},
      {"name": "鼠标", "price": 10},
      {"name": "游艇", "price": 20},
      {"name": "美女", "price": 998},
  ]

  

   1 goods = [
   2 {"name": "电脑", "price": 1999},
   3 {"name": "鼠标", "price": 10},
   4 {"name": "游艇", "price": 20},
   5 {"name": "美女", "price": 998},
   6 ]
   7 shopping_cart = []
   8 your_asset = int(input('请输入你的总资产: '))
   9 for my_goods in enumerate(goods):
  10     index = my_goods[0]#选择商品的序号
  11     shopping_list = my_goods[1]#表示选择商品的清单
  12     shopping_name = shopping_list['name']#表示选择的商品的名字
  13     shopping_price = shopping_list['price']
  14     print(shopping_list,(index,shopping_name,shopping_price))
  15 while True:
  16     your_choose = input('请输入你想要购买商品的序号: ').strip()
  17     if  your_choose.isdigit():
  18         your_choose = int(your_choose)
  19     else:
  20         print('输入错误，请重新输入')
  21         continue
  22     if your_choose < len(goods) and your_choose >= 0:
  23         my_index = goods[your_choose]
  24         my_shopping_name = my_index['name']
  25         my_shopping_price = my_index['price']
  26     else:
  27         print('输入错误，请重新输入')
  28         continue
  29     if int(my_shopping_price) < int(your_asset):
  30         shopping_cart.append(my_shopping_name)
  31         print(shopping_cart)
  32         your_asset = your_asset - my_shopping_price
  33         print('你的剩余的金额为%s'%(your_asset))
  34         go_buy = input('是否想继续购买？？>>请回答yes或者no： ')
  35         if go_buy == 'yes':
  36             print('请继续买你心仪的商品吧！')
  37         else:
  38             for i in shopping_cart:
  39                 print('你购买的商品是：%s'%(i))
  40             break
  41     else:
  42         print('你的余额不足！！')
  43         shopping_cart.append(my_shopping_name)
  44         ans = input('是否要继续充值>>请回答yes或者no： ')
  45         if ans == 'yes'.strip():
  46             recharge = input('请输入你所要充值的金额').strip()
  47             recharge = int(recharge)
  48             your_asset = your_asset + recharge
  49             print('您充值后的金额为%s'%(your_asset))
  50         elif ans == 'no'.strip():
  51             print('余额不足')
  52             remove_shopping_cart = input('是否要将商品移除购物车>>请回答yes或者no: ')
  53             if remove_shopping_cart == 'yes':
  54                 remove_shopping = input('请输入要移除的商品序号: ').strip()
  55                 shopping_cart.remove(goods[int(remove_shopping)]['name'])
  56                 print('您的购物列表如下: ')
  57                 for j in shopping_cart:
  58                     print(j)
  59                 break
  60             elif ans == 'no':
  61                 print('购买失败')
  62                 break

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转载于:https://www.cnblogs.com/wangmengzhu/p/7155632.html