Courses

12 courses, 108 lessons, all of it free. Open any of them and run the code in your browser. Create a free account to save progress, earn XP, and get a certificate.

beginner12 lessons · ~6h

Python Basics

Printing, variables, decisions and loops — the foundation for everything else.

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beginner10 lessons · ~5h

Data Structures

Lists, dictionaries, sets and tuples — where the data actually lives.

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intermediate10 lessons · ~6h

Functions and Objects

Package behaviour into functions, then bundle data and behaviour into classes.

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intermediate8 lessons · ~5h

Files, Errors and Modules

Handle failure, split code into modules, and read and write real data.

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advanced12 lessons · ~7h

Data Analysis

NumPy and pandas — the tools Python is actually famous for.

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advanced12 lessons · ~7h

APIs and Async

Talk to HTTP services, then do it concurrently without losing your mind.

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advanced8 lessons · ~6h

LLM APIs and Prompting

Call a model from Python, and pay attention to what it costs and how it fails.

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advanced6 lessons · ~6h

Structured Output and Tool Calling

Make the model answer in a shape your code can rely on — then let it act.

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advanced8 lessons · ~7h

Embeddings and Vector Search

Turn meaning into geometry, then find the right passage twice over.

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advanced8 lessons · ~7h

RAG Systems

Ground a model in your own documents, and know when not to answer.

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advanced7 lessons · ~7h

Agents and Tool Use

A loop with a model in it — and every guard that keeps it from running away.

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advanced7 lessons · ~6h

Evals and Shipping

Prove the prompt still works, then make it fast enough to live with.

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