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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 commit(self, cascade=False):
 """ Commit this Dagobah instance to the backend. If cascade is True, all child Jobs are commited as well. """

        logger.debug('Committing Dagobah instance with cascade={0}'.format(cascade))
        self.backend.commit_dagobah(self._serialize())
        if cascade:
            [job.commit() for job in self.jobs]