python --while 练习5
#python --while 练习5
#用户只能有3次登录机会
#!/usr/bin/env python
#-*- coding:utf8 -*-
import getpass
num = 1
while num <= 3:
name = raw_input("UserName:")
pwd = getpass.getpass("Password:")
if name == "USERNAME" and pwd == "PASSWORD":
print ("Login Sucess !")
break
else:
print ("Username or Password wrong !")
num += 1
if num == 4:
print("Error more than 3 times! ")