SF bug #1168135:  Python 2.5a0 Tutorial errors and observations (Contributed by Michael R Bax.)
SF bug #1168135:  Python 2.5a0 Tutorial errors and observations (Contributed by Michael R Bax.)

sk-/python2.7-type-annotator,sk-/python2.7-type-annotator,sk-/python2.7-type-annotator