import asyncio

async def doit():
    print('main')
    await asyncio.sleep(1)
    1/0

def main():
    loop = asyncio.get_event_loop()
    for _ in range(3):
        fut = loop.create_task(doit())
        try:
            loop.run_until_complete(fut)
        except ZeroDivisionError:
            print('again')

main()