import asyncio
import aiohttp
import time
import requests


async def parse(url):
    with aiohttp.ClientSession() as session:
        async with session.get(url) as resp:
            main.append(await resp.text())


main = []
t1 = time.time()
loop = asyncio.get_event_loop()
f = asyncio.wait([parse('https://yandex.ru/search/?text={}'.format(i)) for i in range(100)])
loop.run_until_complete(f)
print(time.time() - t1)
loop.close()


def req(url):
    a = requests.get(url)
    main2.append(a.text)


main2 = []
t1 = time.time()
for i in range(100):
    req('https://yandex.ru/search/?text={}'.format(i))
print(time.time() - t1)