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Python 2.65 and 3.1 on the same machine?

Question asked by Caleb1987 on Sep 20, 2012
Latest reply on Sep 20, 2012 by curtvprice
Has anyone had any success with having two versions of Python on their computer?  It is my understanding that if I download python 3.1, I will have to rename this exe file something like pythonx31.exe so that my .py files will still default to python26.  I need python 3.1 for non GIS purposes and do not want my arcpy scripts to use 3.1. 

Would this have any effect on my scripts that use arcpy? I want to make all .py files default to 2.6.5 and if there is something I need to do in 3.1 I can just manually choose to use IDLE with that instead of 2.6.5.  Anyone know if this is possible?

I am using Windows XP.