import asyncio


async def risky(n: int) -> int:
    if n % 2 == 0:
        return n
    else:
        raise ValueError(f"{n} is not even")


async def main() -> None:
    results_gather = await asyncio.gather(
        risky(2), risky(3), risky(4), return_exceptions=True
    )
    print(results_gather)

    try:
        async with asyncio.TaskGroup() as tg:
            t1 = tg.create_task(risky(5))
            t2 = tg.create_task(risky(6))
            t3 = tg.create_task(risky(7))

        print(t1.result(), t2.result(), t3.result())
    except ExceptionGroup as e:
        print(e)


if __name__ == "__main__":
    asyncio.run(main())