2017-12-15python全栈9期第二天第六节之三次登陆机会升级版再试试

#!/user/bin/python
# -*- coding:utf-8 -*-
#当剩余为0次机会时、询问用户是否再试试、如果同意那就再给三次机会、可一直继续
username = 'zd'
password = '123'
i = 0
while i < 3 :
    name = input('用户名：')
    pwd = input('密码：')
    if username == name and password == pwd :
        print('登陆成功')
        break
    else:
        print('登陆失败，还有%d次机会' %(2-i))
        if (2-i) == 0 :
            result = input('是否再试试？yes')
            if result == 'yes':
                i = 0
                continue
    i += 1
else:
    print('不要脸')