code: def clear_function_caches():
      for cache in _function_caches:
          cache.clear()
  
imports: from __future__ import absolute_import
  import os
  import sys
  import re
  import io
  import codecs
  import shutil
  import tempfile
  from contextlib import contextmanager
label_desc: Use image node_id 1 for calling a global function with example usage: clear_function_caches() without return types