- Read What's New In Python 3.0 by Guido https://docs.python.org/3/whatsnew/3.0.html
- To find out what's new in each release of Python, read What's New in Python at https://docs.python.org/3/whatsnew/
- For richly-detailed answers about Python 3, read Python 3 Q & A by Nick Coghlan at http://python-notes.curiousefficiency.org/en/latest/python3/questions_and_answers.html
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