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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def show_message(self, message, duration=2500):
 """ Shows given message. :param message: Message. :type message: unicode :param duration: Notification duration in milliseconds. :type duration: int :return: Method success. :rtype: bool """


        self.setText(message)
        self.__duration = duration

        self.__set_position()

        if message:
            self.__fade_in()
        else:
            self.__fade_out()
        return True