def iterkeys(self):
        return reversed(tuple(self._queue))
Returns:
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/jinja2-2.6/jinja2/utils.py/LRUCache.iterkeys--crossover with--dataset/ETHPy150Open Axelrod-Python/Axelrod/axelrod/result_set.py/ResultSet.build_eigenjesus_rating