Python by Example — Learn Python the Practical Way

Source: Dev.to

Overview

When I was learning Python, I wanted practical examples—not long theoretical explanations. I wanted small, focused pieces of code I could run immediately, so I created Python by Example. It’s an open‑source, example‑driven guide to learning Python from beginner to advanced levels. The goal is simple: learn Python by reading and writing real code.

Project Structure

The guide is organized progressively:

Basics

• Variables and data types
• Conditionals and loops
• Functions
• Error handling
• File operations

Intermediate

• Object‑oriented programming
• Modules and packages
• Virtual environments
• Testing
• CLI applications

Advanced

• Decorators
• Generators
• Context managers
• Async programming
• Performance considerations

More topics and real‑world examples are being added over time.

Intended Audience

• Beginners starting Python
• Developers switching to Python
• Students
• Self‑taught programmers

Contributing

The project is fully open source. Contributions, suggestions, and improvements are welcome.

Repository

If you learn best by seeing real code, this project is for you. Check it out here:
https://github.com/pycollege/python-by-example