第六天学习_购物车

li = [
      {'name': '苹果','price':10},
      {'name': '香蕉','price':20},
      {'name': '西瓜','price':30},
      ]
shooping_car = {}
# 把货物放在货架上

print('欢迎光临水果店')
money = input('让我看看你的钱')

if money.isdigit() and int(money) >0:
    while 1:
        for i,k in enumerate(li):
            print('序号{}, 商品{}, 价格{}'.format(i,k['name'],k['price']))
        choose = input('请输入你要购买的商品的序号')
        if choose.isdigit() and int(choose) < len(li):
            num = input('请输入你要购买的数量')
            if num.isdigit():
                if int(money) > li[int(choose)]['price'] * int(num):
                   money = int(money) - li[int(choose)]['price'] * int(num)
                   if li[int(choose)]['name'] in shooping_car:
                       shooping_car[li[int(choose)]['name']] = shooping_car[li[int(choose)]['name']] + int(num)
                   else:
                       shooping_car[li[int(choose)]['name']] = int(num)
                   print('购物车中的商品有{},你的余额为{}'.format(shooping_car,money))
            else:
                print('回家拿钱去')
                break

        else:
            print('都说了是序号')