Python基礎面試題：讓用戶輸入用戶名密碼，成功打印歡迎信息，輸錯提示還剩幾次機會，三次機會仍然錯誤推出程序，請代碼實現？

#encoding=「utf-8」 user = 「luocq」 password = 「12345678」 count = 0 for i in range(3): username = input(「username:」) password = input(「password:」) if username == user and password == password: print(「Wel

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