Fileshopping

完成文件解析，再进行购物车作业

f = open('Fileshopping','w',encoding='utf-8')f.write('电脑 1999\n鼠标  10\n游艇  20\n美女  998\n')f.close()f = open('Fileshopping',encoding='utf-8')shop_list = []for line in f:    shop_dict = {'name': None, 'price': None}    # line = line.strip()               # 没用的吗    if line.strip():        list1 = line.split()        shop_dict['name'] = list1[0]        shop_dict['price'] = list1[1]        shop_list.append(shop_dict)f.close()# print(shop_list)               #  不用的shopping_list = []l = []total = input('请输入你所有的钱：')while True:    if total.isdigit():        if int(total) > 10:            for i in range(1,5):                if int(total) >= int(shop_list[i-1]['price']):                    print(i,shop_list[i-1]['name'],shop_list[i-1]['price'])                    l.append(i)            choice = input('请输入要选择的商品的序号：')            if choice.isdigit():                choice = int(choice)                # if l.find(choice+1) != -1:                if choice <= 4:                    if int(total) >= int(shop_list[choice - 1]['price']):                        total = int(total) - int(shop_list[choice - 1]['price'])                        shopping_list.append(shop_list[choice - 1]['name'])                        print(shop_list[choice - 1]['name'],'已加入购物车，您还剩',total,'元钱')                        total = str(total)                    elif int(total) < int(shop_list[choice - 1]['price']):                        print('余额不足,请选购以下商品：')                    else:                        print('请重新输入正确数字序号')                else:                    print('请重新输入正确数字序号')            elif choice.upper() == 'Q':                break            else:                print('请输入正确指令')        else:            print('余额不足啦，已自动为你退出')            break    elif total.upper() == 'Q':        break    else:        print('请输入正确指令')print('您已经购买：',shopping_list)