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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 retrieve_statement(self, statement_id):
 """Retrieve a statement from the server from its id :param statement_id: The UUID of the desired statement :type statement_id: str | unicode :return: LRS Response object with the retrieved statement as content :rtype: :class:`tincan.lrs_response.LRSResponse` """

        request = HTTPRequest(
            method="GET",
            resource="statements"
        )
        request.query_params["statementId"] = statement_id

        lrs_response = self._send_request(request)

        if lrs_response.success:
            lrs_response.content = Statement.from_json(lrs_response.data)

        return lrs_response