code: def test_gc():
      import gc
  
      def hook(event, args):
          if event.startswith("gc."):
              print(event, *args)
  
      sys.addaudithook(hook)
  
      gc.get_objects(generation=1)
  
      x = object()
      y = [x]
  
      gc.get_referrers(x)
      gc.get_referents(y)
  
imports: import contextlib
  import os
  import sys
label_desc: Use image node_id 19 for calling a global function with example usage: test_gc() without return types