placid wrote: > Why is there old and new classes? What are the differences?
the "what's new" document for the release where they were introduced (2.2) contains a nice overview, written from a "before and after" perspective: http://www.python.org/doc/2.2.3/whatsnew/sect-rellinks.html (however, the exact details of the MRO algorithm was changed in 2.3; see http://www.python.org/download/releases/2.3/mro for the full story) </F> -- http://mail.python.org/mailman/listinfo/python-list