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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 xrange(self, start, stop=None, step=1):
 """ Get an iterator for this threads chunk of work. This corresponds to using the OpenMP 'dynamic' schedule. """

        self._assert_active()
        if stop is None:
            start, stop = 0, start
        with self._queuelock:
            pool_loop_reached = max(self._thread_loop_ids)
            # Get this loop id.
            self._thread_loop_ids[self._thread_num] += 1
            loop_id = self._thread_loop_ids[self._thread_num]
            if pool_loop_reached < loop_id:
                # No thread reached this loop yet. Set up the queue.
                for idx in range(start, stop, step):
                    self._dynamic_queue.put(idx)
            # Iterate.
            return _QueueIterator(self._dynamic_queue, loop_id, self)