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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 get_message_content(self, message_id, timeout=None):
 """Call get content API. https://devdocs.line.me/en/#get-content Retrieve image, video, and audio data sent by users. :param str message_id: Message ID :param timeout: (optional) How long to wait for the server to send data before giving up, as a float, or a (connect timeout, read timeout) float tuple. Default is self.http_client.timeout :type timeout: float | tuple(float, float) :rtype: :py:class:`linebot.models.responses.Content` :return: Content instance """

        response = self._get(
            '/v2/bot/message/{message_id}/content'.format(message_id=message_id),
            stream=True, timeout=timeout
        )

        return Content(response)