def __len__(self):
    return self.__content.__len__()
Is other a response to self?
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/apiproxy_stub_map.py/ListOfHooks.__len__--crossover with--dataset/ETHPy150Open catap/namebench/nb_third_party/dns/message.py/Message.is_response