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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 r_plokamos_proxy(self):
 """ Proxy to write to the annotation store :return: response from the remote query store :rtype: {str: Any} """


        query = request.data

        if self.is_authorized(query,NemoOauthPlugin.current_user()['uri']):
            try:
                resp = requests.post(self.annotation_update_endpoint, data=query, json=None,
                                     headers={"content-type": "application/sparql-update",
                                              "accept": "application/sparql-results+json"})
                resp.raise_for_status()
                return resp.content, resp.status_code
            except requests.exceptions.HTTPError as err:
                return str(err), resp.status_code
        else:
            return "Unauthorized request", 403