code: def register_exit_handler(
      handler: Callable[..., None], *args, **kargs
  ):
      """Register an exit handler."""
      return atexit.register(handler, *args, **kargs)
  
file_path: launchpad/launchpad/launch/signal_handling.py
imports: import atexit
  import signal
  import sys
  from typing import Callable
label_desc: Use image node_id 4 for calling a global function with example usage: register_exit_handler(handler) and returns: atexit