Python Functions, Modules, and Packages

This lesson is now outdated.

This lesson provides you with a deep dive into how to refactor and structure your code into smaller, more manageable building blocks using functions, modules, and packages.

Learning Objectives

• Understand how to write and define functions.
• Understand the four kinds of different function input parameters and how to use them.
• Review how modules are created and used.
• Learn how modules are loaded using the import statement.
• Examine how modules are discovered via module search locations.
• Review how modules can themselves be organised into packages.
• And finally, we understand how to use aliases for both module and package names.

Prerequisites

• A basic understanding of the Python programming language.
• A basic understanding of software development.
• A basic understanding of the software development life cycle.

Intended Audience

• Software developers interested in learning how to write Python code in a Pythonic way.
• Python junior level developers interested in advancing their Python skills.
• Anyone with an interest in Python and how to use Python to write concise and elegant scripts for general purpose tasks.