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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 _make_json_result(code, message="", results=None):
 """ An utility method to prepare a JSON result string, usable by the SignalReceiver :param code: A HTTP Code :param message: An associated message """

    return code, json.dumps({'code': code,
                             'message': message,
                             'results': results})