async_exercise.py

import asyncio

async def countdown():
    for i in range(5):
        print(f"Countdown: {5-i}")
        await asyncio.sleep(1)

async def do_some_work(name, delay):
    print(f"{name} is starting work")
    await asyncio.sleep(delay)
    print(f"{name} is done with work")

async def do_a_lot_of_work():
    await asyncio.gather(do_some_work("A", 1), do_some_work("B", 2), do_some_work("C", 3))

#asyncio.run(do_a_lot_of_work())
asyncio.run(countdown())