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I'm literally only 1 week into learning python. That python 2.7 is being implemented so much more often than the latest python version comes as a surprise to me. Should it?
I don't think so -- Python has been around a long time and really grew up with the web during the 2.x series, thus, libraries have been slow to move to 3.x and adoption of 3.x has been slow because of that. Also, 3.x didn't really add any new killer features either -- I think maybe that is starting to change however with some cool new stuff only landing in 3.x (asyncio, type annotations are coming, etc).
Worst of all: Python 3 is slower than Python 2.7

It shouldn't be important in a language like Python and it isn't by a large margin. But it is bad PR having these numbers.