# ch11/example6.py import requests import os from timeit import default_timer as timer def download_html(url): res = requests.get(url) filename = 'output/%s.html' % os.path.basename(url) with open(filename, 'w') as f: f.write(res.text) urls = [ 'http://packtpub.com', 'http://python.org', 'http://docs.python.org/3/library/asyncio', 'http://aiohttp.readthedocs.io', 'http://google.com' ] start = timer() for url in urls: download_html(url) print('Took %.2f seconds.' % (timer() - start))