test2.py

import asyncio
import aiohttp

URLS = [
    "https://google.com",
    "https://github.com",
    "https://example.org",
]
DONE = {}

async def main():
    async with aiohttp.ClientSession() as session:
        for url in URLS:
            async with session.get(url) as resp:
                text = await resp.text()
            DONE[url] = len(text)
    print(DONE)

asyncio.get_event_loop().run_until_complete(main())