Picking a Python Version: A Manifesto
by David Mertz
Publisher: O'Reilly Media 2015
Number of pages: 44
There are two major versions of the Python programming language: the Python 2.x series, and the newer Python 3.x series. This report guides you through the implicit decision tree of choosing what Python version, implementation, and distribution is best suited for you.
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by Steven Bird, Ewan Klein, Edward Loper - O'Reilly Media
This book offers a highly accessible introduction to natural language processing, the field that supports a variety of language technologies. With it, you'll learn how to write Python programs that work with large collections of unstructured text.
by Charles Severance - PythonLearn
The goal of this book is to provide an Informatics-oriented introduction to programming. The primary difference between a computer science approach and the Informatics approach taken in this book is a greater focus on using Python.
by Guido Van Rossum - Network Theory Ltd.
The definitive language reference for Python. It describes the syntax of Python and its built-in datatypes. It covers advanced topics, and is suitable for readers who are familiar with the details and rules of the Python and its object system.
by Brian Heinold - Mount St. Mary's University
Partly a tutorial and partly a reference book. I summarize information in tables and give a lot of short example programs. I also jump right into things and fill in background information as I go, rather than covering the background material first.