def setdefault(self, key, default=None):
        try:
            return self[key]
        except KeyError:
            self[key] = default
            return default
initial setup for the connected client
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/jinja2-2.6/jinja2/utils.py/LRUCache.setdefault--crossover with--dataset/ETHPy150Open lunixbochs/uberserver/ChanServ.py/ChanServClient.__init__