python常用模块（hashlib）学习之简单实现登录注册

#扩展练习：实现登录注册  用hashlib中的md5进行加密

import hashlib
import re

def denglu():
user1 = input('请输入你的账号:')
pwd  = input('请输入你的密码:')
count = 0
with open('json1.txt','r') as f:
for i in f:
user,passwd = i.split('|')
result_pwd = re.findall(r'\S+',passwd)[0]

pwd_a = '加密加密' + pwd + '#￥@￥@#@@#'
res = hashlib.md5(pwd_a.encode())
res_pwd = res.hexdigest()

if user1 ==user and res_pwd == result_pwd:
print('输入正确')
count +=1

if count ==0:
print('输入错误')

def zhuce():
usr = input('请输入你要注册的名字:')
pwd = input('请输入你要注册的密码:')
pwd_n = '加密加密' + pwd + '#￥@￥@#@@#'
res_pwd = hashlib.md5(pwd_n.encode())
pwd = res_pwd.hexdigest()
with open('json1.txt','a+') as f:
f.write(usr+'|'+pwd + '\n')

while True:
try:
a = int(input('请输入你要执行的操作：1.注册，2登录,3.退出\n:'))
except ValueError as f:
print('问题是：%s'%f)
break
if a == 1:
zhuce()
elif a == 2:
denglu()
elif a == 3:
break

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