Using asyncio.TaskGroup to get a collection of URLs

'''
Experimenting with asyncio.TaskGroup to load a collection of URLs. This provides a similar approach as 
Promise.all in JavaScript
'''

import aiohttp
import asyncio
from codetiming import Timer
import urllib

async def main():
    async with asyncio.TaskGroup() as tg:
        task1 = tg.create_task(some_coro(...))
        task2 = tg.create_task(another_coro(...))
    print("Both tasks have completed now.")

async def get_url_async(url):
    async with aiohttp.ClientSession() as session:
        with Timer(text=f"(Async) Downloading {url} elapsed time: {{:.1f}}"):
            async with session.get(url) as response:
                await response.text()

async def get_all_urls_async(urls):
    async with asyncio.TaskGroup() as group:
        for url in urls:
            group.create_task(get_url_async(url))

def get_url_sync(url):
    with Timer(text=f"(sync) Downloading {url} elapsed time: {{:.1f}}"):
        response = urllib.request.urlopen(url)
        response.read()

def get_all_urls_sync(urls):
    for url in urls:
        get_url_sync(url)

async def main():
    urls = [
        "http://google.com",
        "http://yahoo.com",
        "http://linkedin.com",
        "http://apple.com",
        "http://microsoft.com",
        "http://facebook.com",
        "http://twitter.com",
    ]
    with Timer(text="\n(async) Total elapsed time: {:.1f}"):
        await get_all_urls_async(urls)

    with Timer(text="\n(sync) Total elapsed time: {:.1f}"):
        get_all_urls_sync(urls)

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