def rpoplpush(self, srckey, dstkey):
        self._send('RPOPLPUSH', srckey, dstkey)
        return self.getResponse()
Adds a host key to the known hosts file.
dataset/ETHPy150Open deldotdr/txRedis/txredis/client.py/RedisClient.rpoplpush--crossover with--dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/ssh/client.py/SSHClient.add_host_key