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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(self, tpart):
 """Start upload and accout for resource consumption."""

        g = gevent.Greenlet(self.uploader, tpart)
        g.link(self._finish)

        # Account for concurrency_burden before starting the greenlet
        # to avoid racing against .join.
        self.concurrency_burden += 1

        self.member_burden += len(tpart)

        g.start()