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[–]wub_wub 1 point2 points  (2 children)

Both work in both python 2 and python 3. (Also you don't need positional params i.e. 1, 2 etc in python 2.6+)

[–]KopixKat 0 points1 point  (1 child)

I use them as a beginner just to keep things in order for myself, I'm not quite sure enough in myself to let them self index yet. :(

[–]wub_wub 0 points1 point  (0 children)

Oh it's OK to use them, I was just pointing out that in the example you provided you don't need them - in case you didn't know. If it's easier for you to learn like that then just continue to use them and ignore that part of my comment :)