code: def timeout_thread_handler(timeout, stop_event):
      
  
      stop_happened = stop_event.wait(timeout)
      if stop_happened is False:
          print("Killing program due to %f second timeout" % timeout)
  
      os._exit(2)
docs: A background thread to kill the process if it takes too long.
  
      Args:
          timeout (float): The number of seconds to wait before killing
              the process.
          stop_event (Event): An optional event to cleanly stop the background
              thread if required during testing.