they've already done it: improve a language feature & deprecate the old way of doing it -> Python 2.6+ and 3.2+ remove features that have been replaced -> 3.x

they've already done it: improve a language feature & deprecate the old way of doing it -> Python 2.6+ and 3.2+ remove features that have been replaced -> 3.x Did I also mention it is not hard to have a single code base that is compatible with both 2.x and 3.x?