How To Write Your Own Software Using Python
by Steven F. Lott
This book will help you build basic programming skills. The topics are organized in a way that builds up the language in layers from simple, central concepts to more advanced features. Programming exercises are provided to encourage further exploration of each layer.
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by Al Sweigart - inventwithpython.com
The book teaches complete beginners how to program in the Python programming language. It features the source code to several ciphers and hacking programs for these ciphers. The final chapters cover the modern RSA cipher and public key cryptography.
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.
This is an unofficial free book created for educational purposes. The book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA.
by Jeffrey Elkner, Allen B. Downey, Chris Meyers - Green Tea Press
This book is an introduction to computer science using the Python programming language. It covers the basics of programming, including variables, functions, control flow, program debugging. Later chapters cover basic algorithms and data structures.