python练习模仿购物车功能

今天药忘吃喽~ 2022-06-04 01:47 207阅读 0赞

#!/usr/bin/python
    #coding=utf-8
    
    shopping_mail=[
    ('iphone',5888),
    ('apple',18),
    ('coffee',30),
    ('pencel',20),
    ('car',150000),
    ('bike',900),
    ]
    
    
    salary=input("请输入你的薪水:")
    if salary.isdigit():
        salary=int(salary)
    else:
        exit("无效的输入，请重新输入:"+"\n")
    print("欢迎来到wyl的商店".center(50,'-')+"\n")
    flag=True
    shop_car=[]
    
    while flag:
        print("请选择你想购买的产品".center(48, '*')+"\n")
        for pro_list in enumerate(shopping_mail):
            pro_index=pro_list[0]
            pro_name=pro_list[1][0]
            pro_price=pro_list[1][1]
    
            print(pro_index,'、',pro_name,pro_price)
        choice=input("请选择购买商品，q退出，c检查商品".center(28,'*')+"\n")
    
        if choice.isdigit():
            choice=int(choice)
            if choice<len(shopping_mail):
                if shopping_mail[choice][1]<=salary:
                   buy_product = shopping_mail[choice]
                   print(buy_product[0])
                   shop_car.append(buy_product[0])
                   salary -= buy_product[1]
                   print("已购买[%s],您的余额还剩\033[32;1m[%s]\033[0m" %(buy_product,salary)+"\n")
                else:
                    print("您的余额不足：\033[31;1m[%s]\033[0m" %salary + "\n")
    
        if choice == 'c':
            print("已经购买的产品列表".center(32, '*') + "\n")
            print(shop_car)
            print("您的余额还剩\033[32;1m[%s]\033[0m" % salary+"\n")
    
        if choice == 'q':
            print("已经购买的产品列表".center(32, '*')+"\n")
            print(shop_car)
            flag=False

上面功能划分：  
![SouthEast][]

[SouthEast]: /images/20220604/f72032b3afc84953a2bc85905bcab55a.png