basic python async

async.py

import asyncio


async def count(delay):
    # this will block everything :(
    # time.sleep(2)

    # will explode the other stuff
    # raise Exception("hi")

    await asyncio.sleep(delay)
    return 42


async def main():
    results = await asyncio.gather(count(1), count(1), count(1))
    print(results)


# regular sync fn
def foo(a):
    print(a + 1)
    print("hi")
    print(a + 2)


if __name__ == "__main__":
    import time

    s = time.perf_counter()
    asyncio.run(main())
    elapsed = time.perf_counter() - s
    print(f"{__file__} executed in {elapsed:0.2f} seconds.")