code: def reverse_dict(entity2value):
      value2entity = {}
      for entity in entity2value:
          for value in entity2value[entity]:
              value2entity[value] = entity
      return value2entity
  
imports: import csv
  import json
  import os
  import pickle
  import random
  import re
  import string
  from collections import Counter
  import numpy
  import torch
  from tqdm.auto import tqdm
  from nemo.utils import logging
  from nemo.utils.env_var_parsing import get_envint
label_desc: Use image node_id 16 for calling a global function with example usage: reverse_dict(entity2value) and returns: value2entity