Can anyone help on conflicts between Python 2.5 and 2.7

[Mark Lawrence]

On 10/10/2013 04:32, Terry Reedy wrote:
> On 10/9/2013 9:31 PM, Steven D'Aprano wrote:
>
>> I'm not a Windows guru, so I might be off-mark here (I'm sure somebody
>> will correct me) but as I understand it, the "default Python" under
>> Windows is the one that was installed most recently.
>
> It is an option in the installer.
>
>> So, assuming you have Python2.5 installed in Python25 and Python 2.7 in
>> Python27, I would expect that you also have the actual executables in:
>>
>> C:\Program Files\python25.exe
>> C:\Program Files\python27.exe
>
> The installers actually tried to put them in C:/python25/python.exe,
> etc, but lets you choose an install directory other than /.
>
> Beyond that, I don't know what going on either.
>

Do the Windows gurus know if the launcher described here 
http://www.python.org/dev/peps/pep-0397/ would help in this instance?

-- 
Roses are red,
Violets are blue,
Most poems rhyme,
But this one doesn't.

Mark Lawrence