Async exaple

async.py

import asyncio

async def fetch_data():
    print('Start Fetching Data')
    await asyncio.sleep(2)
    print('Done fetching')
    return {'Data' : 1}

async def print_numbers():
    for i in range(10):
        print(i)
        await asyncio.sleep(2)

async def test_a():
    await asyncio.sleep(2)
    await test_b()

async def test_b():
    await asyncio.sleep(1)
    await test_c()

async def test_c():
    print('test_c')

async def main():
    task_1 = asyncio.create_task(fetch_data())
    task_2 = asyncio.create_task(print_numbers())
    #
    await task_1
    await task_2
    # await test_a()

if __name__ == '__main__':
    asyncio.run(main())