text: 
  import os
  import asyncio
  
  async def target_func1():
      print('the func start')
      print(os.getpid())
      print('the func end')
  coroutine = target_func1()
  
  try:
      coroutine.send(None) # 唤醒协程
  except StopIteration:
      print('xx')
      coroutine.close() # 关闭
  
  """
  output:
  the func start
  9376
  the func end
  xx
  """