learn_asyncio/fluent_python_content/sleep_gather.py

import asyncio


async def hello_async():
    print('Hello Async!')


async def hello_python():
    print('Hello Python')
    await asyncio.sleep(0.1)

event_loop = asyncio.get_event_loop()
try:
    result = event_loop.run_until_complete(asyncio.gather(
        hello_async(),
        hello_python(),
        hello_python(),
    ))
    print(result)
finally:
    event_loop.close()