code: def save_modules():
      """
      Context in which imported modules are saved.
  
      Translates exceptions internal to the context into the equivalent exception
      outside the context.
      """
      saved = sys.modules.copy()
      with ExceptionSaver() as saved_exc:
          yield saved
  
      sys.modules.update(saved)
      # remove any modules imported since
      del_modules = (
          mod_name
          for mod_name in sys.modules
          if mod_name not in saved
          # exclude any encodings modules. See #285
          and not mod_name.startswith("encodings.")
      )
      _clear_modules(del_modules)
  
      saved_exc.resume()
  
imports: import os
  import sys
  import tempfile
  import operator
  import functools
  import itertools
  import re
  import contextlib
  import pickle
  import textwrap
  import builtins
  import pkg_resources
  from distutils.errors import DistutilsError
  from pkg_resources import working_set
label_desc: Use image node_id 6 for calling a global function with example usage: save_modules() without return types