Przeczytaj kod uważnie

import asyncio


events: list[str] = []


async def task(name: str, work: float, fail: bool = False) -> None:
    events.append(f"{name} start")
    await asyncio.sleep(work)
    if fail:
        events.append(f"{name} raising")
        raise ValueError(f"{name} failed")
    events.append(f"{name} done")


async def main() -> None:
    try:
        async with asyncio.TaskGroup() as tg:
            tg.create_task(task("ok-fast", 0.01))
            tg.create_task(task("boom", 0.02, fail=True))
            tg.create_task(task("ok-slow", 0.05))
    except* ValueError as eg:
        events.append(f"caught {len(eg.exceptions)} exception(s)")

    for e in events:
        print(e)


asyncio.run(main())

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