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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 start_processing_handler(self, event):
 """Asynchronous handler starting the Volatility processes."""

        self.logger.debug("Event %s: starting Volatility process(es).", event)

        for snapshot in self.snapshots:
            self.process_snapshot(snapshot)

        self.processing_done.set()