text: import json
  
  with open('speakers.json', 'r') as json_file:
  	speakers = json.load(json_file)
  id2speaker = dict()
  for key, value in speakers.items():
  	id2speaker[value] = key
  with open('id2speaker.json', 'w') as json_file:
  	json.dump(id2speaker, json_file, indent=2)