Free lessons
Python Lessons
Structured Python tutorials. Read the theory free. Practice in the playground.
Python Foundations
Build a solid base — variables, types, functions, and control flow.
Coding Fundamentals with Python
Start from zero and learn to think like a programmer. You'll write real Python code from your very first lesson — understanding what computers do, how to store data, make decisions, and repeat actions automatically.
2 modules · 8 lessons
python-foundationsIntroduction to Python
Learn Python from scratch — variables, functions, and clean code.
2 modules · 6 lessons
python-foundationsPython Data Types and Strings
Go deeper into Python's type system — from integer division and boolean short-circuits to powerful string slicing and formatting. Built for students who already know variables, if/else, and loops.
2 modules · 8 lessons
python-foundationsPython Lists and Dictionaries
Master Python's two most-used data structures — lists and dictionaries. From indexing and slicing to accumulator patterns and frequency counters, you will write real functions that process collections of data.
2 modules · 8 lessons
python-foundationsPython Files and File Handling
Master tuples, sets, and file I/O — the tools that let your Python programs work with real data.
2 modules · 8 lessons
Pydantic & AI
Data validation, type safety, and AI-ready Python patterns.
Master Pydantic: Data Validation for Python
Build robust, self-validating Python data models with Pydantic. From BaseModel fundamentals to production API integration.
4 modules · 16 lessons
pydantic-aiBuilding APIs with FastAPI + Pydantic
Master FastAPI and Pydantic to build production-ready REST APIs. Learn routing, request validation, response modeling, error handling, and logging.
3 modules · 12 lessons
pydantic-aiAdvanced Pydantic Patterns
Master advanced Pydantic patterns for production systems. Learn polymorphism, performance optimization, and type safety.
3 modules · 12 lessons
pydantic-aiPydantic in Production Deployment
Master production deployment of Pydantic applications. Learn containerization, monitoring, scaling, and disaster recovery.
3 modules · 12 lessons