编写一个登陆接口:
账户密码输入
认证成功后显示欢迎信息
输错3次后锁定
_username = 101645
_password = 101645
for i in range(100):
username = int(input("username:"))
password = int(input("password:"))
if username == _username and password == _password:
print("Wlcome to system")
break
if username != _username and password != _password:
print("The users and password is error")
if i == 2:
print("the system is locking")
break原文地址:http://13717089481.blog.51cto.com/13168879/1958198