$ curl -s https://stackoverflow.com/feeds/tag/python | gunzip -c | grep '<updated>'
    <updated>2017-04-05T02:31:41Z</updated>
        <updated>2017-04-05T02:31:24Z</updated>
        <updated>2017-04-05T02:30:25Z</updated>
        <updated>2017-04-05T02:28:36Z</updated>
        <updated>2017-04-05T02:28:14Z</updated>
        <updated>2017-04-05T02:27:18Z</updated>
        <updated>2017-04-05T02:26:30Z</updated>
        <updated>2017-04-05T02:23:19Z</updated>
        <updated>2017-04-05T02:22:30Z</updated>
        <updated>2017-04-05T02:21:42Z</updated>
        <updated>2017-04-05T02:20:31Z</updated>
        <updated>2017-04-05T02:20:13Z</updated>
        <updated>2017-04-05T02:18:39Z</updated>
        <updated>2017-04-05T02:17:17Z</updated>
        <updated>2017-04-05T02:16:55Z</updated>
        <updated>2017-04-05T02:15:14Z</updated>
        <updated>2017-04-05T02:14:25Z</updated>
        <updated>2017-04-05T02:13:39Z</updated>
        <updated>2017-04-05T02:13:27Z</updated>
        <updated>2017-04-05T02:12:57Z</updated>
        <updated>2017-04-05T02:06:17Z</updated>
        <updated>2017-04-05T02:02:07Z</updated>
        <updated>2017-04-05T02:01:54Z</updated>
        <updated>2017-04-05T02:01:41Z</updated>
        <updated>2017-04-05T02:01:28Z</updated>
        <updated>2017-04-05T02:00:01Z</updated>
        <updated>2017-04-05T01:55:11Z</updated>
        <updated>2017-04-05T01:52:37Z</updated>
        <updated>2017-04-05T01:51:47Z</updated>
        <updated>2017-04-05T01:50:13Z</updated>
        <updated>2017-04-05T01:48:44Z</updated>