Why Python 3 Exists
From the outside, Python 3 seems like a much better language. I don't have strong views of its object system (I avoid OOP as much as I can) but it seems like the string/bytes handling is much better, and I'm also a fan of map and filter returning generators rather than being hard-coded to a list implementation (stream fusion is a good thing). Also, I fail to see any value in print being a special keyword instead of a regular function (as in 3).What I don't get is: why has Python 3 adoption been so slow? Is it just backward compatibility, or are there deeper problems with it that I'm not aware of?