http://simonwillison.net/2009-06-28T15:02:09+00:00Simon Willison2009-06-28T15:02:09+00:002009-06-28T15:02:09+00:00https://simonwillison.net/2009/Jun/28/python31/#atom-tag

<p><strong><a href="http://docs.python.org/3.1/whatsnew/3.1.html">What&#x27;s New In Python 3.1</a></strong></p> Lots of stuff, but the best bits are an ordered dictionary type (congrats, Armin), a Counter class for counting unique items in an iterable (I do this on an almost daily basis) and a bunch of performance improvements including a rewrite of the Python 3.0 IO system in C. <p>Tags: <a href="https://simonwillison.net/tags/armin-ronacher">armin-ronacher</a>, <a href="https://simonwillison.net/tags/performance">performance</a>, <a href="https://simonwillison.net/tags/python">python</a>, <a href="https://simonwillison.net/tags/python3">python3</a>, <a href="https://simonwillison.net/tags/python31">python31</a>, <a href="https://simonwillison.net/tags/releases">releases</a></p>