Python入门 Day2-购物车

'''
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。
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": 2000},
         {"name": "鼠标","price": 10},
         {"name": "游艇","price": 20},
         {"name": "美女","price": 1000},
]

j = 1
shopping_car = []
count = 0
total_price = 0
Flag = True

while True:
    money = (input("你要充值多少钱：")).strip()
    if money.isdigit():
        money = int(money)
        break
    else:
        print("请输入数字")
        continue

while Flag:
    print('序号  待售商品 单价：')
    for i in goods:
        print(j,i['name'],i['price'])
        j += 1
    j = 1
    choice = (input('请输入你想购买的商品序号,输入C/c清空购物车，输入Y/y确认下单，输入Q/q退出购物车：'))
    if choice == 'Y' or choice == 'y':
        print('确认购买商品：',shopping_car)
        print('你的账户余额为:',money - total_price)
        Flag = False
    elif choice == 'C' or choice == 'c':
        shopping_car.clear()
        total_price = 0
        print('购物车已清空，请重新添加商品')
        print(' ')
        # continue
    elif choice == 'Q' or choice == 'q':
        break
    elif choice.isdigit():
        if 1 <= int(choice) <= len(goods):
            cot = int(input('请输入购买数量: ').strip())
            choice = int(choice)
            shopping_car.append({'name':goods[choice-1]['name'],'count':cot})  ## 将所选商品及数量添加到购物车
            # j = 1
            total_price += goods[choice-1]['price'] * cot
            print('商品总价: ',total_price)
            if money < total_price:
                print('金额不足，无法添加')
                print('                ')
                shopping_car.remove({'name':goods[choice-1]['name'],'count':cot})
                total_price -= goods[choice - 1]['price'] * cot
            else:
                print('购物车已添加',shopping_car)
                print('-----------------------------------')
                print('                                   ')
    else:
        print('请按提示输入:')