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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 _read_data(self, stream, result):
 """Incrementally read from ``stream`` and store read data. All data gathered from calling ``stream.read()`` will be concatenated and stored as ``result.data``. :param stream: An open file-like object to read() from. :param result: An instance of one of the :ref:`result parsing classes <parsers>` from :const:`~gnupg._meta.GPGBase._result_map`. """

        chunks = []
        log.debug("Reading data from stream %r..." % stream.__repr__())

        while True:
            data = stream.read(1024)
            if len(data) == 0:
                break
            chunks.append(data)
            log.debug("Read %4d bytes" % len(data))

        # Join using b'' or '', as appropriate
        result.data = type(data)().join(chunks)
        log.debug("Finishing reading from stream %r..." % stream.__repr__())
        log.debug("Read %4d bytes total" % len(result.data))