Python全栈学习笔记day 6+ 购物车作业

li =[
    {'name':'苹果','price':10},
    {'name':'香蕉','price':20},
    {'name':'西瓜','price':30},
]
shopping_car ={}
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('请输入您要购买的商品序号：')
        if choose.isdigit() and int(choose) < len(li) and int(choose) >= 0:
            num = input('您要购买的商品数量：')
            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 shopping_car:
                        shopping_car[li[int(choose)]['name']] = shopping_car[li[int(choose)]['name']] + int(num)
                    else:
                        shopping_car[li[int(choose)]['name']] =int(num)
                    print('购物车中的商品有{}，您的余额为{}'.format(shopping_car,money))
                else:
                    print('穷鬼，回去找你老婆要钱去！')
        else:
            print('都说了是序号，你傻啊！')