Guido on python3 for beginners

[Paul Rubin]

Steven D'Aprano <steve+comp.lang.python at pearwood.info> writes:
> I suppose that it is objectively correct that it is harder to learn
> than Python 2. But I don't think the learning curve is any steeper. If
> anything, the learning curve is ever-so-slightly less steep.

I think py3 has more learning curve because it uses iterators in places
where py2 uses lists.  That's a significant new concept and it can be
bug-prone even for programmers who are experienced with it.