username = "Anker"
passward = "Abc123"
number =2
for i in range(1,4,1):
    _username = input("username:")
    _passward = input("passward:")
    if _username==username and _passward==passward:
        print("登錄成功")
        break
    else:
        print("username or passward wrong,please input again.remain :
 
",number)
        number = number - 1
else:
    print("輸入三次錯誤，已鎖定")

Python判斷用戶登錄狀態，並返回結果