The next step after using procedural code is to write modular software by using functions. Functions, from simple ones to multiple-argument ones, are useful in making code reusable.

Find out what source control is, and get an introduction to Git—the world's most popular version control system.

Get started by writing code examples to learn the basics of the C# syntax.

Almost every application a developer creates involves some level of math. This module explores the core functionality in Python and arithmetic operators. You'll also explore how to perform more manipulations of data and numbers. You'll put this knowledge to use to create a project to determine the distance between planets.

Gain experience developing an application that will calculate and display results based on given data.

Learn how to write a few lines of Python code, declare variables, and work with console input and output