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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 find_record_files(self):
 """ Yield paths to record files. """

        for (root, _, files) in os.walk(self.record_path):
            for f in (f for f in files if f.endswith('.json')):
                yield os.path.join(root, f)