程序退出 提示 while inpu 输入密码 hang 退出 use
- # 1.登录程序
- # username = ‘zhangmin‘
- # password = ‘123456‘
- # 2.失败次数最多3次,失败3次程序退出
- # if i ==3
- # break
- # 3.输入账号、密码错误提示账号、密码错误
- # 5.输入正确 提示欢迎XXX登录
- username = ‘zhangmin‘
- password = ‘123456‘
- i = 0
- while True:
- user = input("请输入账号:")
- passwd = input(‘请输入密码:‘)
- if user != username or passwd !=password:
- i +=1
- print(‘账号或者密码错误‘)
- if i == 3:
- break
- else:
- print(‘欢迎%s登录‘ % username)
python写登录程序
来源: http://www.bubuko.com/infodetail-2312994.html