> > Well it's portable in that it's available on multiple > platforms, but the > > architects of the language don't worry too much about breaking old > > programs with new versions of python, at least not when > compared with > > perl. In other words, an old perl program is still likely > to work on a > > new version of perl, which might not be the case for an old python > > program and a new version of python. > > As a language matures, compatibility with code written for old releases improves. The comments on having to rewrite python code when a new release came out were true about perl a few years ago. If you are really old, new releases of C and sh caused grief during the late 70's early 80's. Python will most likely stabilize over time. Bob Styma