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Yep. Pre-generics, Java was considered a good teaching language because of its simplicity and the ability to hold the entire language in your head. I think it's much more difficult to make that argument now. The same for Python. Moreover, while Python 3's unicode/byte string separation was a crucial step, IMV other features from Python 3 haven't made a big impact on how useful the language is.

Python 2 is NOT simple. Why does str + unicode return unicode (Python 3 clearly separates bytes and str)? Why is there int vs. long (Python 3 dropped long)? Why can an inner function not assign to a variable of an outer function (Python 3 allows nonlocal)? Why does print have special syntax (>>, trailing comma) and is not a function? Why range() vs. xrange() (Python 3 makes all of them lazy)? Why redundant operators like <> vs. != (Python 3 eliminated the former)? Why class Foo vs. class Foo(object) (Python 3 eliminated the former)? Why multiple syntaxes for catching an exception?

The language formerly known as Perl 6 has entered the chat.