购物车

shopping=[(‘toy‘,50),
          (‘clothes‘,100),
          (‘iphone‘,5000),
          (‘bike‘,400),
          (‘hat‘,20),
          (‘food‘,100)]
buy_shopping=[]
salary=int(input(‘input your salary:‘))
while True:
    for index,item in enumerate(shopping):
        print(index,item)
    choice_num = input(‘input your miss choice shopping num:‘)
    if choice_num.isdigit():
        choice_num = int(choice_num)
        if  choice_num<len(shopping) and choice_num>=0:
            choice_shopping=shopping[choice_num]
            if choice_shopping[1]<=salary:
                salary -= choice_shopping[1]
                print(‘buy shopping:‘,choice_shopping[0])
                print(‘balance:‘,salary)
            else :
                print(‘your money not enough,again choice:‘)
                break
        else:
            continue
        buy_shopping.append(choice_shopping[0])
        for p in buy_shopping:
            print(‘your buy shoping is:‘,p)

购物车

原文：https://www.cnblogs.com/0429yang/p/9517263.html