PEP 394

Sun Oct 21 11:00:13 EDT 2018

On 10/20/18, Terry Reedy <tjreedy at udel.edu> wrote:
>> On Windows, there is a better solution: the py launcher.
> > py # launches the most most recent version installed*
> > py -x # launches the most recent x.y
> > py -x.y # launches x.y if installed, else lists installed versions
>> * At first, 2.x took precedence over 3.x, but this has since been switched.

The py launcher still prefers Python 2 for scripts that have a virtual
shebang, such as #!python and #!/usr/bin/python.