If there’s anywhere you’ll find a legitimate free copy, it’s from the book’s publisher. For Python Crash Course, No Starch Press is the official publisher. On rare occasions, they might offer a free ...

A Python visualizer is a tool that shows you how your code runs, step by step, using pictures and diagrams. It helps you see how your variables change, how functions call each other, and where errors ...

One useful feature of the Python math module is quick access to mathematical constants. You can make Python more effective as a scientific calculator by using these same functions with numerical ...