Take control of multiple Python installations in Windows with the py launcher, available as part of a standard Python installation.

Built to help me in furthering my Pygame knowledge Explorer the map, fight enemies, collect treasure, and collect a special gem to win your run Dungeon rooms generated using text & json files ...

On the fly = after pip installing the standard cpython and packages in a movable repo, a post-production treatment overwrite the python source file with the patch.