Python练习随笔01

 作业二：

首先需要知道我们要用到什么额外知识：python文件的读写。网上查找资料得到如何运用：

http://www.liaoxuefeng.com/wiki/001374738125095c955c1e6d8bb493182103fac9270762a000/001386820066616a77f826d876b46b9ac34cb5f34374f7a000

随后画出流程图：

 

然后就开始我们的编程。

 

#! user/bin/env python
# -*- coding:utf-8 -*-
# Author:Sun
import os
import linecache

account = input("please input your account：")
password = input("please input your password:")
vaccount = "sun"
vpassword = "qwe789"

with open('E:\我的文档\pythonproject\day1\lock.txt','r') as rfile:
    for line in rfile.readlines():
        if line == account:
            print("your account have been locked")
            exit()
count = 0
while count<2:
    if account == vaccount and password == vpassword:
        print("Welcome!")
        exit()
    else:
        print("wrong account or password")
        account = input("please input your account：")
        password = input("please input your password:")
        count = count + 1
else:
    with open('E:\我的文档\pythonproject\day1\lock.txt', 'w') as wfile:
        wfile.write(account)
        print("your account have been locked")
        exit()