text: # ch6/example5.py
  
  from multiprocessing import Process, current_process
  import time
  
  
  def f1():
      p = current_process()
      print('Starting process %s, ID %s...' % (p.name, p.pid))
      time.sleep(4)
      print('Exiting process %s, ID %s...' % (p.name, p.pid))
  
  def f2():
      p = current_process()
      print('Starting process %s, ID %s...' % (p.name, p.pid))
      time.sleep(2)
      print('Exiting process %s, ID %s...' % (p.name, p.pid))
  
  
  if __name__ == '__main__':
      p1 = Process(name='Worker 1', target=f1)
      p1.daemon = True
      p2 = Process(name='Worker 2', target=f2)
  
      p1.start()
      time.sleep(1)
      p2.start()
  
      p1.join(1)
      print('Whether Worker 1 is still alive:', p1.is_alive())
      p2.join()
  