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Asked: 2026-06-10T10:31:06+00:00

I’ve seen several other topics on whether to use 2.x or 3.x. However, most

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I’ve seen several other topics on whether to use 2.x or 3.x. However, most of these are at least two years old and do not distinguish between 2.6 and 2.7.

I am rebooting a scientific project that I ultimately may want to release by 2013. I make use of numpy, scipy, and pylab, among standard 2.6+ modules like itertools. Which version, 2.6 or 2.7, would be better for this?

This would also clear up whether or not to use optparse when making my scripts.

Edit: I am working at a university and the workstation I picked up had Python 2.4. Picking between 2.6 and 2.7 determines which distro to upgrade to. Thanks for the advice!

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  1. Editorial Team

    If everything you need would work with 2.7 I would use it, no point staying with 2.6. Also, .format() works a bit nicer (no need to specify positions in the {} for the arguments to the formatting directives).

    FWIW, I usually use 2.7 or 3.2 and every once in a while I end up porting some code to my Linux box which still runs 2.6.5 and the format() thing is annoying enough 🙂

    2.7 has been around enough to be supported well – and 3.x is hopefully getting there too.

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