def add(self, Node):
        self.known.add(Node)
        level = self._uid_2_level(Node.uid)
        self._level_check(level)
        self.table[level].add(Node)
shift_op : LEFTSHIFT arith_expr
dataset/ETHPy150Open c00w/gevent-dht/gevent_dht/finger.py/FingerTable.add--crossover with--dataset/ETHPy150Open nucleic/enaml/enaml/core/parser.py/p_shift_op1