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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 format(self, record):
 """Dump the record to JSON."""

        data = record.__dict__.copy()

        data['data_id'] = DATA['id']
        data['data_location_id'] = DATA_LOCATION['id']
        data['hostname'] = socket.gethostname()

        # Get relative path, so listener can reconstruct the path to the actual code.
        data['pathname'] = os.path.relpath(data['pathname'], os.path.dirname(__file__))

        # Exception and Traceback cannot be serialized.
        data['exc_info'] = None

        # Ensure logging message is instantiated to a string.
        data['msg'] = str(data['msg'])

        return json.dumps(data)