async def main_async():
    manager.run()
    async with task_01.wait(1) as f:
        print(f)
    (await manager.wait(5))
    manager.stop()
async def main_async():
    manager.run()
    async with task_01.wait(1) as f:
        print(f)
    (await manager.wait(5))
    manager.stop()