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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_rich_menu_image(self, rich_menu_id, timeout=None):
 """Call download rich menu image API. https://developers.line.me/en/docs/messaging-api/reference/#download-rich-menu-image :param str rich_menu_id: ID of the rich menu with the image to be downloaded :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/richmenu/{rich_menu_id}/content'.format(rich_menu_id=rich_menu_id),
            timeout=timeout
        )

        return Content(response)