python用户管理系统

#!/usr/bin/env python#coding:utf-8info = """************************************************************   用户登录管理系统************************************************************   1. 注册新用户   2. 用户登录   3. 用户注销   4. 用户信息显示   5. 退出系统"""userinfo = { 'root': { 'name': 'root', 'password': 'redhat', 'gender': 1, 'email': '', 'age': 12 },}gender_choice = [0, 1, 2]def CreateUser(): print "注册用户界面".center(50, '*') name = raw_input("*注册用户名:") if name in userinfo: print "用户已存在，请更换注册名" else: password = raw_input("*用户密码:") while True:  gender = input("*性别(0-男 1-女 2-其他):")  if gender in gender_choice:  break  else:  print "请输入正确的选择" email = raw_input("用户邮箱:") if not email:  email = None age = raw_input("年龄:") if not age:  age = None else:  age = int(age) userinfo[name] = {  'name': name,  'password': password,  'gender': gender,  'email': email,  'age': age, } print "%s 用户注册成功!!!" % (name)def UserLogin(): print "用户登录界面".center(50, '*') trycount = 0 while trycount < 3: name = raw_input("登录用户名：") if name not in userinfo:  print "用户未注册"  break password = raw_input("登录密码：") trycount += 1 if password == userinfo[name]['password']:  print "恭喜%s登录成功" % (name)  break else:  print "请输入正确的用户名或密码！" else: print "已登录三次，请稍后再试"def DeleteUser(): print "用户注销界面".center(50, '*') name = raw_input("注销用户名：") if name not in userinfo: print "用户未注册" else: password = raw_input("登录密码：") if password == userinfo[name]['password']:  userinfo.pop(name)  print "恭喜注销%s成功" % (name)def UserInfo(): for key, value in userinfo.items(): print "用户:%s" % (key), print "性别:%d" % (value['gender']), print "邮箱:%s" % (value['email']), print "年龄:%s" % (value['age']), print "/n/n"def main(): while True: print info choice = raw_input("Choice:").strip() if choice == "1":  CreateUser() elif choice == "2":  UserLogin() elif choice == "3":  DeleteUser() elif choice == "4":  UserInfo() elif choice == "5":  exit() else:  print "输入正确的选择"main()