code: def __init__(self, obj):
      self.obj = obj
  
imports: from IPython.core import magic_arguments
  from IPython.core.magic import Magics, magics_class, line_magic
  import os
  import sys
  import traceback
  import types
  import weakref
  import gc
  import logging
  from importlib import import_module, reload
  from importlib.util import source_from_cache
label_desc: Use image node_id 1 to create a new StrongRef object  with example: obj = StrongRef(obj)