code: def create_random_graph(n):
      return dgl.rand_graph(n, int(n * n * 0.001))
  
file_path: dgl/tests/distributed/utils.py
imports: import os
  import random
  import socket
  import dgl
  import numpy
  import scipy.sparse
label_desc: Use image node_id 3 for calling a global function with example usage: create_random_graph(n) and returns: dgl