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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_output_files(self):
 """ Returns a list of the files output by the job, querying the server if necessary. If the job has output no files, an empty list will be returned. """

        # Lazily load info
        if self.info is None:
            self.get_info()

        if 'outputFiles' in self.info:
            return [GPFile(self.server_data, f['link']['href']) for f in self.info['outputFiles']]
        else:
            return []