code: def node_neighbours(v, edges):
      """Returns a list of neighbours of vertex v"""
      return (v, [e[1] for e in edges if e[0] == v])
  
imports: from collections import OrderedDict
  import networkx
  from networkx.readwrite import json_graph
  import os
  import json
  import uuid
  import numpy
  import scipy.sparse
  import multiprocessing
  from multiprocessing import Pool
  from functools import partial
  from time import sleep
label_desc: Use image node_id 1 for calling a global function with example usage: node_neighbours(v, edges) and returns: v,  unknown