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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 write_message(self, status=messages.INFO, message=None):
 """ Writes a message to django's messaging framework and returns the written message. :param status: The message status level. Defaults to \ messages.INFO. :param message: The message to write. If not given, \ defaults to appending 'saved' to the unicode representation \ of `self.object`. """

        if not message:
                message = u"%s saved" % self.object
        messages.add_message(self.request, status, message)
        return message