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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 close(self):
 """Close all open RabbitMQ connections. """

        # The main thread may keep connections open for a long time
        # w/o publishing heartbeats, which means that they'll end up
        # being closed by the time the broker is closed.  When that
        # happens, pika logs a bunch of scary stuff so we want to
        # filter that out.
        logging_filter = _IgnoreScaryLogs()
        logging.getLogger("pika.adapters.base_connection").addFilter(logging_filter)
        logging.getLogger("pika.adapters.blocking_connection").addFilter(logging_filter)

        self.logger.debug("Closing channels and connections...")
        for channel_or_conn in chain(self.channels, self.connections):
            try:
                channel_or_conn.close()
            except pika.exceptions.AMQPError:
                pass

            except Exception:  # pragma: no cover
                self.logger.debug("Encountered an error while closing %r.", channel_or_conn, exc_info=True)
        self.logger.debug("Channels and connections closed.")