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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 send_task(self, task, force=True):
        '''
        dispatch task to fetcher

        out queue may have size limit to prevent block, a send_buffer is used
        '''
        try:
            self.out_queue.put_nowait(task)
        except Queue.Full:
            if force:
                self._send_buffer.appendleft(task)
            else:
                raise