The Python 3.5 Tutorial
The Python Tutorial points to Python 2.7.
Learn Python The Hard Way By Zed A. Shaw
Flask is a microframework for Python based on Werkzeug, Jinja 2 and good intentions. And before you ask: It's BSD licensed!
The Pylons Project was founded by the people behind the Pylons web framework to develop web application framework technology in Python. Rather than focusing on a single web framework, the Pylons Project will develop a collection of related technologies. The first package is the Pyramid web framework.
Sphinx is a tool that makes it easy to create intelligent and beautiful documentation, written by Georg Brandl and licensed under the BSD license. It was originally created for the new Python documentation.
Linux Journal - Why Python? Apr 30, 2000 By Eric Raymond. From Issue #73.