code: def arcadia_get_root_modules():
      if arcadia_rootmodules_cache is None:
          arcadia_init_cache()
  
      return arcadia_rootmodules_cache
  
imports: from __future__ import print_function
  import glob
  import inspect
  import itertools
  import os
  import re
  import sys
  from time import time
  from zipimport import zipimporter
  from IPython.core.completer import expand_user, compress_user
  from IPython.core.error import TryNext
  from IPython.utils._process_common import arg_split
  from IPython.utils.py3compat import string_types
  from IPython import get_ipython
  from __res import importer
label_desc: Use image node_id 3 for calling a global function with example usage: arcadia_get_root_modules() and returns: arcadia_rootmodules_cache