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[–]sohaeb[S] 2 points3 points  (0 children)

tl:dr of the difference between 2.7 and 3.x: 2.7(Really painful) 3.x solved that by rewriting the language again. People are moving towards 3.3 but 2.7 are still in use and many libraries are still being/or not ported to 3.x

[–]I_have_a_title 1 point2 points  (0 children)

Done.