code: def _stop_program():
      time.sleep(4)
      lp.stop()
  
file_path: launchpad/launchpad/examples/program_wait/launch.py
imports: import threading
  import time
  from absl import app
  from absl import logging
  import launchpad
label_desc: Use image node_id 5 for calling a global function with example usage: _stop_program() without return types