1import asyncio 2 3async def say(what, when): 4 await asyncio.sleep(when) 5 print(what) 6 7loop = asyncio.get_event_loop() 8loop.create_task(say('first hello', 2)) 9loop.create_task(say('second hello', 1)) 10 11loop.run_forever() 12loop.close() 13 14