Introduction to Python Functions

A look at how to, and why you should, use functions in your Python programs.

A Simple Python Quiz Program, Part 3

We enhance the quiz program by reading the questions and answers from a file. Source code

Tynker—Physics and Cloning

Let’s look at two very nice features of Tynker. The physics feature allows you to have falling objects and accurate projectile motion, combined with adjustments for gravity, friction, density, gravity, and much more. Cloning lets you have multiple instances of actors (like Scratch sprites), without having to duplicate code.

Simple Python Calculator using a Dictionary and Functions for Operators

This lesson creates a simple calculator using a dictionary to look up functions for operators. The point is to practice more with dictionaries, and to learn about higher-order functions.
Source code