Running Python 2 and Python 3 on the same machine

["Martin v. Löwis"]

Terry Reedy wrote:
> Martin v. Löwis wrote:
>>> Since the source code is incompatible, I was expecting the Python
>>> executable to have a new name such as 'python3'
>>
>> It does: the executable is called python3.0.
> 
> Why do you say that? 

Because it is - on Unix. I assumed that was the platform that the OP
cared about.

Regards,
Martin