Async

import asyncio


async def yield_control():
    future = asyncio.Future()

    def callback():
        future.set_result(None)

    # 0 oznacza że oddajemy kontrolę do event loop od razu
    asyncio.get_event_loop().call_later(0, callback)

    await future


async def task_one():
    print("Task One: Started")
    for i in range(1, 11):
        print(f"Task One: Running, Item: {i}")
        if i == 5:
            await yield_control()
    print("Task One: Completed")


async def task_two():
    for i in range(1, 11):
        print(f"Task Two: Running, Item: {i}")
        if i == 5:
            await yield_control()
    print("Task Two: Completed")


async def main():
    # Run both tasks concurrently
    await asyncio.gather(task_one(), task_two())


# Run the event loop with the main coroutine
if __name__ == "__main__":
    asyncio.run(main())