@gen.coroutine
def hello_delay(wait=1):
print("Hello...")
yield gen.sleep(wait)
print("...World")
async def hello_aiodelay(wait=1):
print("Hello ...")
await asyncio.sleep(wait)
print("...World")
async def hello_tornadoaiodelay(wait=1):
print("Hello ...")
await asyncio.sleep(wait)
print("...World")
async def stop_at(runtime=10):
io_loop =
if __name__ == '__main__':
io_loop = AsyncIOMainLoop()
pc = PeriodicCallback(hello_delay, 3*1000)
aiopc = PeriodicCallback(hello_aiodelay, 4*1000)
pc = PeriodicCallback(hello_delay, 3 * 1000)
aiopc.start()
pc.start()
io_loop.start()
