text: import asyncio
  
  
  def compute_pi(digits):
      # implementation
      return 3.14
  
  async def main(loop):
      digits = await loop.run_in_executor(None, compute_pi, 20000)
      print(("pi: %s" % digits))
  
  loop = asyncio.get_event_loop()
  loop.run_until_complete(main(loop))
  loop.close()
  