sync_async_mix.py

import asyncio


def do_work_sync(seconds):
    """Wait 'seconds' using sync code"""
    return asyncio.run(do_work_async(seconds, "sync"))


def organize_work_sync(work_inputs):
    """Execute multiple calls of the sync function"""

    results = [do_work_sync(number) for number in work_inputs]
    return results


async def do_work_async(seconds, work_type="async"):
    """Wait 'seconds' using async code"""

    print(f"Waiting {seconds} seconds ({work_type})")
    await asyncio.sleep(seconds)
    return seconds ** seconds


async def organize_work_async(work_inputs):
    """Execute multiple calls of the async function"""

    # Add 1 to the number to differentiate the results from the sync function
    coroutines = [do_work_async(number + 1) for number in work_inputs]

    results = await asyncio.gather(*coroutines)

    return results


def start_work():
    """Just a regular ol' sync function. Performs some sync tasks, then async, then more sync."""

    numbers = list(range(1, 3))

    # Start sync tasks, blocks until finished
    results_sync1 = organize_work_sync(numbers)

    # Start async tasks, blocks until finished (but performs all tasks asychronously)
    results_async1 = asyncio.run(organize_work_async(numbers))

    # Start sync tasks, blocks until finished
    results_sync2 = organize_work_sync(results_sync1)

    # Start async tasks, blocks until finished (but performs all tasks asychronously)
    results_async2 = asyncio.run(organize_work_async(results_sync1))

    print(results_sync1)
    print(results_async1)
    print(results_sync2)
    print(results_async2)


if __name__ == "__main__":
    start_work()