学习python的第十一天 【无线循环】

#__author:"hanhankeji"
#date: 2019/11/28


# while 后面可以加 else
user = "hanhankeji"
password = "abc123"
counter = 0
while counter < 3 :
    Username = input("请输入用户名：")
    UserPassword = input("请输入密码：")
    if Username == user and UserPassword == password:
        print("欢迎用户登录！")
        break
    else:
        print("账户或密码错误，请确认！" + "你还有" + str(3 - int(counter) - 1) + "次机会")
    counter += 1
    if counter == 3:
        keep_going_choice = input("是不是再试试3次[y/n]:")
        if keep_going_choice =="y":
            counter = 0
else:
    print("要不要脸·输了3次都 不对")