购物车代码

product_list=[
    ('iphone',5000),
    ('car',500400),
    ('book',50),
    ('bicycle',500),
    ('computer',22200),
]
shop_car=[]
money= input('how much money you have :')
if money.isdigit():
    money=int(money)
    while True:
        for i,j in enumerate(product_list,1):
            print(i,j)
        chioce=input('chioce the first number you want buy[quit/q]:')
        if chioce.isdigit():
            chioce=int(chioce)
            if chioce>0 and chioce <= len(product_list):
                print(product_list[chioce-1])
                money -=product_list[chioce-1][1]
                shop_car.append(product_list[chioce-1])
            else:
                print('the chioce not chunzai')
        elif chioce=='q':
            print('-----the shop list-----')
            for v in shop_car:
                print(v)
            print('you money have %s yuan'%money)
            break
else:
    print('invilid number')