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},
  ]

• goods = [
  {"name": "电脑", "price": 1999},
  {"name": "鼠标", "price": 10},
  {"name": "游艇", "price": 20},
  {"name": "美女", "price": 998},
  ]
  shopping_cart = []
  your_asset = int(input('请输入你的总资产: '))
  for my_goods in enumerate(goods):
      index = my_goods[0]#选择商品的序号
      shopping_list = my_goods[1]#表示选择商品的清单
      shopping_name = shopping_list['name']#表示选择的商品的名字
      shopping_price = shopping_list['price']
      print(shopping_list,(index,shopping_name,shopping_price))
  while True:
      your_choose = input('请输入你想要购买商品的序号: ').strip()
      if  your_choose.isdigit():
          your_choose = int(your_choose)
      else:
          print('输入错误，请重新输入')
          continue
      if your_choose < len(goods) and your_choose >= 0:
          my_index = goods[your_choose]
          my_shopping_name = my_index['name']
          my_shopping_price = my_index['price']
      else:
          print('输入错误，请重新输入')
          continue
      if int(my_shopping_price) < int(your_asset):
          shopping_cart.append(my_shopping_name)
          print(shopping_cart)
          your_asset = your_asset - my_shopping_price
          print('你的剩余的金额为%s'%(your_asset))
          go_buy = input('是否想继续购买？？>>请回答yes或者no： ')
          if go_buy == 'yes':
              print('请继续买你心仪的商品吧！')
          else:
              for i in shopping_cart:
                  print('你购买的商品是：%s'%(i))
              break
      else:
          print('你的余额不足！！')
          shopping_cart.append(my_shopping_name)
          ans = input('是否要继续充值>>请回答yes或者no： ')
          if ans == 'yes'.strip():
              recharge = input('请输入你所要充值的金额').strip()
              recharge = int(recharge)
              your_asset = your_asset + recharge
              print('您充值后的金额为%s'%(your_asset))
          elif ans == 'no'.strip():
              print('余额不足')
              remove_shopping_cart = input('是否要将商品移除购物车>>请回答yes或者no: ')
              if remove_shopping_cart == 'yes':
                  remove_shopping = input('请输入要移除的商品序号: ').strip()
                  shopping_cart.remove(goods[int(remove_shopping)]['name'])
                  print('您的购物列表如下: ')
                  for j in shopping_cart:
                      print(j)
                  break
              elif ans == 'no':
                  print('购买失败')
                  break