import?tornado.ioloop
from?tornado.httpclient?import?AsyncHTTPClient

N?=?3
URL?=?"http://127.0.0.1:8888/sleep"


async?def?main():
????http_client?=?AsyncHTTPClient()
????responses?=?[await?http_client.fetch(URL)?for?i?in?range(N)]


start_time?=?time.time()
tornado.ioloop.IOLoop.current().run_sync(main)
print("async",?time.time()?-?start_time)

beg?=?time.time()
for?i?in?range(N):
????requests.get(URL)
print(time.time()?-?beg)