Contents in Detail - Cracking Codes with Python [Book]

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CONTENTS IN DETAIL

ACKNOWLEDGMENTS

INTRODUCTION

Who Should Read This Book?

What’s in This Book?

How to Use This Book

Typing Source Code

Checking for Typos

Coding Conventions in This Book

Online Resources

Downloading and Installing Python

Windows Instructions

macOS Instructions

Ubuntu Instructions

Downloading pyperclip.py

1MAKING PAPER CRYPTOGRAPHY TOOLS

What Is Cryptography?

Codes vs. Ciphers

The Caesar Cipher

The Cipher Wheel

Encrypting with the Cipher Wheel

Decrypting with the Cipher Wheel

Encrypting and Decrypting with Arithmetic

Why Double Encryption Doesn’t Work

Practice Questions

2PROGRAMMING IN THE INTERACTIVE SHELL

Some Simple Math Expressions

Integers and Floating-Point Values

Order of Operations ...

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