code: def _node2vec(g, seeds, length):
      return dgl.sampling.node2vec_random_walk(g, seeds, 1, 1, length)
  
imports: import time
  import dgl
  import torch
  from ..None import utils
label_desc: Use image node_id 2 for calling a global function with example usage: _node2vec(g, seeds, length) and returns: dgl