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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 execute(self, message_in, measurement):
 """Process the message from RabbitMQ. To implement logic for processing a message, extend Consumer._process, not this method. This for internal use and should not be extended or used directly. :param message_in: The message to process :type message_in: :class:`rejected.data.Message` :param measurement: For collecting per-message instrumentation :type measurement: :class:`rejected.data.Measurement` """

        self.logger.debug('Received: %r', message_in)

        try:
            self._preprocess(message_in, measurement)
        except DropMessage:
            raise gen.Return(data.MESSAGE_DROP)
        except MessageException as exc:
            raise gen.Return(self._on_message_exception(exc))

        try:
            yield self._execute()
        except ExecutionFinished as exc:
            self.logger.debug('Execution finished early')
            if not self._finished:
                self.on_finish(exc)

        except RabbitMQException as exc:
            self._handle_exception(exc)
            raise gen.Return(data.RABBITMQ_EXCEPTION)

        except ConfigurationException as exc:
            self._handle_exception(exc)
            raise gen.Return(data.CONFIGURATION_EXCEPTION)

        except ConsumerException as exc:
            self._handle_exception(exc)
            raise gen.Return(data.CONSUMER_EXCEPTION)

        except MessageException as exc:
            raise gen.Return(self._on_message_exception(exc))

        except ProcessingException as exc:
            self._handle_exception(exc)
            self._republish_processing_error(
                exc.metric or exc.__class__.__name__)
            raise gen.Return(data.PROCESSING_EXCEPTION)

        except (NotImplementedError, Exception) as exc:
            self._handle_exception(exc)
            raise gen.Return(data.UNHANDLED_EXCEPTION)

        else:
            self._finished = True

        self._maybe_clear_confirmation_futures()
        raise gen.Return(data.MESSAGE_ACK)