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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 ackSoon(self):
 """ Emit an acknowledgement packet soon. """

        if self._ackTimer is None:
            def originateAck():
                self._ackTimer = None
                self.originate(ack=True)
            self._ackTimer = reactor.callLater(0.1, originateAck)
        else:
            self._ackTimer.reset(ACK_DELAY)