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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 run_queue(self, options, todo):
 """Actually run the _todo_tasklet."""

    utils.logging_debug('AutoBatcher(%s): %d items',
                        self._todo_tasklet.__name__, len(todo))
    batch_fut = self._todo_tasklet(todo, options)
    self._running.append(batch_fut)
    # Add a callback when we're done.
    batch_fut.add_callback(self._finished_callback, batch_fut, todo)