code: def clean_up_interpreters():
      for interp in interpreters.list_all():
          if interp.id == 0:  # main
              continue
          try:
              interp.close()
          except RuntimeError:
              pass
  
imports: import contextlib
  import os
  import os.path
  import subprocess
  import sys
  import tempfile
  import threading
  from textwrap import dedent
  import unittest
  from test import support
  from test.support import os_helper
  from test.support import interpreters
label_desc: Use image node_id 2 for calling a global function with example usage: clean_up_interpreters() without return types