what is the easiest way to install multiple Python versions?

[Terry Reedy]

On 10/12/2014 9:33 AM, Albert-Jan Roskam wrote:

> A few days ago I needed to check whether some Python code ran with
> Python 2.6. What is the easiest way to install another Python version
> along side the default Python version? My own computer is Debian
> Linux 64 bit, but a platform-independent solution would be best.

Installation is platform dependent.  On Windows, the answer would simply 
be 'get the PSF x.y installer and run it'.

-- 
Terry Jan Reedy