def powerset(self):
        return self._eval_powerset()
Implementation of MemcacheService::FlushAll().
dataset/ETHPy150Open sympy/sympy/sympy/sets/sets.py/Set.powerset--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/memcache/memcache_stub.py/MemcacheServiceStub._Dynamic_FlushAll