Python

Python for Beginners — Complete Free Tutorial

Learn Python from zero with 24 original, hands-on chapters: syntax, strings and f-strings, control flow, lists, tuples, dictionaries, sets, functions, comprehensions, exceptions, modules, virtual environments, files, classes, dataclasses, generators, decorators, type hints, pytest and asyncio. Every chapter includes runnable code with expected output, common mistakes and a practice checklist.

This complete Python course takes you from your first print statement to a clean, tested Python project. Each chapter is written in plain language with runnable examples you can copy into a terminal and verify yourself: exact interpreter output, exact error messages, and explanations of what Python actually does behind the scenes. You will learn the core language first — types, strings, control flow, data structures and functions — then the skills that separate scripts from real projects: packaging, virtual environments, files and paths, object-oriented design, generators, decorators and context managers. The final chapters add the modern professional toolkit: type hints with static checkers, pytest, asyncio and the standard library, plus a practical style guide for writing Python other people want to read.

Chapters

  1. 1. Introduction to Python Read →
  2. 2. Installing Python and Running Code Read →
  3. 3. Variables and Data Types Read →
  4. 4. Strings and f-Strings Read →
  5. 5. Numbers, Operators and Type Conversion Read →
  6. 6. Control Flow and Conditionals Read →
  7. 7. Loops and Iteration Read →
  8. 8. Lists and Tuples Read →
  9. 9. Dictionaries and Sets Read →
  10. 10. Functions Read →
  11. 11. List, Dict and Set Comprehensions Read →
  12. 12. Error Handling with try/except Read →
  13. 13. Modules, Packages and pip Read →
  14. 14. Virtual Environments and Project Layout Read →
  15. 15. Working with Files and Paths Read →
  16. 16. Classes and Object-Oriented Programming Read →
  17. 17. Dataclasses and Special Methods Read →
  18. 18. Iterators and Generators Read →
  19. 19. Decorators and Context Managers Read →
  20. 20. Type Hints in Python Read →
  21. 21. Testing with pytest Read →
  22. 22. Async Python with asyncio Read →
  23. 23. Standard Library Essentials Read →
  24. 24. Python Best Practices and Where to Go Next Read →