ShopDisplay = {‘clothes1‘:‘498‘,‘jeans‘:‘128‘,‘shoes‘:‘289‘,‘hat‘:‘99‘,‘clothes2‘:‘599‘}print(ShopDisplay)ShoppingCartPrice = []　　　　　　　　　　　　#购物车商品价格ShoppingCart = {}　　　　　　　　　　　　　　　#购物车while True:    thing = input("You want to buy :")    price = ShopDisplay[‘%s‘ %thing]    ShoppingCart.update({ ‘%s‘ %thing:‘%s‘ %price })    ShoppingCartPrice.append(‘%s‘ % price)    answer = input("Do you want to continue buy something else?Please say yes or no:\n")    if answer == ‘yes‘:        continue    else:        breakdef shit():　　　　　　　　　　　　　　　　　　#判断余额是否大于所要买的商品    sum = 0    TotalMoney = 1000    for i in ShoppingCartPrice:        sum = sum + int(i)        TotalMoney = TotalMoney - sum    if TotalMoney > 0:        a = input("Do you really want to buy tins ?Please enter yes or no !\n")        if a == ‘yes‘:            print("Successful,wish you a happy shopping!\n")        else:            print("Thanks you for come to my ")            exit()    else:        print("Sorry,you have not enough money!Please remove somethings!\n")sum = 0TotalMoney = 1000for i in ShoppingCartPrice:    sum = sum + int(i)    TotalMoney = TotalMoney - sumif TotalMoney > 0 :    a = input("Do you really want to buy tins ?Please enter yes or no !\n")    if a == ‘yes‘:        print("Successful,wish you a happy shopping!\n")        exit()    else :        exit()else :    print("Sorry,you have not enough money!Please remove somethings!\n")    while True:        print("Your shopping cart have this thing:\n")        print(ShoppingCart)        print("If you don‘t want to del,please enter ‘.‘\n")        del_thing = input("Please input the goods that you don‘t want to buy:\n")        if del_thing == ‘.‘:            break        s = ShoppingCart[‘%s‘ % del_thing]        ShoppingCart.pop(‘%s‘ % del_thing)        ShoppingCartPrice.remove(s)　　　　　　　　　　　　　　#删除不买的东西shit()