code: def _warn(msg, *key):
      key = (msg,) + key
      if key not in _warned:
          try:
              print(msg, file=sys.stderr)
          except OSError:
              pass
          _warned.add(key)
  
imports: from configparser import ConfigParser
  import os
  import sys
  from tkinter.font import Font
  import idlelib
label_desc: Use image node_id 1 for calling a global function with example usage: _warn(msg) without return types