content: import dill
  import io
  
  # dill
  pick = dill.dumps({'a': 'b', 'c': 'd'})
  print(dill.loads(pick))
  
  file_obj = io.BytesIO()
  dill.dump([1, 2, '3'], file_obj)
  file_obj.seek(0)
  print(dill.load(file_obj))
  
  file_obj.seek(0)
  print(dill.Unpickler(file_obj).load())
  