code: def score(subset):
      sub = graph[subset]
      sub = sub[:, subset]
      return np.sum(sub)
  
file_path: privacy/research/instahide_attack_2020/step_2_color_graph.py
imports: import multiprocessing
  import pickle
  import random
  import collections
  import numpy
label_desc: Use image node_id 1 for calling a global function with example usage: score(subset) and returns: np