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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, offset=None, limit=None, dryrun=False):
 """ Start the rsync download """


        self.stream.command = "rsync -avRK --files-from={path} {source} {destination}"
        self.stream.append_tasks_to_streamlets(offset=offset, limit=limit)
        self.stream.commit_streamlets()
        self.stream.run_streamlets()
        self.stream.reset_streamlet()