zoukankan      html  css  js  c++  java
  • python基础-购物车作业

    product_list = [
        ('iphone',5800),
        ('mac pro',12800),
        ('iwatch',3800),
        ('airpods',1200),
        ('baik', 800),
        ('book',20)
    ]
    
    shopping = []
    salary = input('input your salary: ')
    if salary.isdigit():
        salary = int(salary)
        while True:
            for index,item in enumerate(product_list):     #enumerate显示下标
                print(index,item)
            user_choice = input('please select a product number >>> ')
            if user_choice.isdigit():    #判断输入的是否数字
                user_choice = int(user_choice)
                if user_choice < len(product_list) and user_choice >= 0:    #选择商品编号
                    p_item = product_list[user_choice]        #通过商品编号判断价格
                    if p_item[1] < salary:
                        shopping.append(p_item)
                        salary -= p_item[1]
                        print("Added %s into shopping cart,your current balance is  33[31;1m%s33[0m" %(p_item,salary))
                    else:
                        print('33[41;1m你的余额(%s)不足33[0m' %(salary))
                else:
                    print('product code (33[31;1m%s33[0m) is not exist! '% user_choice)
    
            elif user_choice == 'q':
                print('exit.....')
                print('-------shopping list---------')
                for p in shopping:
                    print(p)
                print('you are current balance: ', salary)
                exit()
            else:
                print('Invaild input....')
  • 相关阅读:
    js如何求一组数中的极值
    五星评分效果 原生js
    省市区三级联动
    jq表头固定
    css垂直居中 两种方法
    node.js grunt文件压缩
    js 定时器
    动态规划---最长公共子序列
    AES,RSA对称加密和非对称加密
    正则表达式学习笔记
  • 原文地址:https://www.cnblogs.com/chhx/p/10904233.html
Copyright © 2011-2022 走看看