Table of Contents Introduction 1.1 Dedication 1.2 Preface 1.3 About Python 1.4 Installation 1.5 First Steps 1.6 Basics 1.7 Operators and Expressions 1.8 Control flow 1.9 Functions 1.10 Modules 1.11 Data Structures 1.12 Problem Solving 1.13 Object Oriented Programming 1.14 Input and Output 1.15 Exceptions 1.16 Standard Library 1.17 More 1.18 What Next 1.19 Appendix: FLOSS 1.20 Appendix: About 1.21 Appendix: Revision History 1.22 Appendix: Translations 1.23 Appendix: Translation How-to 1.24 Feedback 1.25 1 Introduction A Byte of Python "A Byte of Python" is a free book on programming using the Python language. It serves as a tutorial or guide to the Python language for a beginner audience. If all you know about computers is how to save text files, then this is the book for you. For Python version 3 This book will teach you to use Python version 3. There will also be guidance for you to adapt to the older and more common Python version 2 in the book. Who reads A Byte of Python? Here are what people are saying about the book: This is the book that got me into programming almost a decade ago. Thank you @swaroopch. You changed my life. -- Stefan Froelich This is the best beginner's tutorial I've ever seen! Thank you for your effort. -- Walt Michalik The best thing i found was "A Byte of Python", which is simply a brilliant book for a beginner. It's well written, the concepts are well explained with self evident examples. -Joshua Robin Excellent gentle introduction to programming #Python for beginners -- Shan Rajasekaran start to love python with every single page read -- Herbert Feutl perfect beginners guide for python, will give u key to unlock magical world of python -Dilip I should be doing my actual "work" but just found "A Byte of Python". A great guide with great examples. -- Biologist John Recently started reading a Byte of python. Awesome work. And