Courtesy of the BB-Py Project team (see CREDITS), and one or more unnamed individuals at RIM who had the good sense, motivation, and ability to add a Python 3.2 runtime into the PlayBook 2.0 OS and not hide it from developers, and the wise people who subsequently included it in BlackBerry 10. :-)
Please note that this is copyrighted software that can be used only under certain legal terms as described in the file legal/BBPY-LICENSE.txt.
Note: the default branch is now following BB-Tart development.