Python
📖 Documentation
The official Python 3 documentation — language reference, standard library, and how-to guides.
The official beginner-friendly walkthrough of Python's core language features.
⬇️ Downloads
Official installers for Windows and macOS, plus source releases for every supported Python version.
🎓 Free Online Courses
Harvard's own free-to-audit Python course (CS50P), taught by David J. Malan — functions, loops, data structures, and classes, also fully free on the freeCodeCamp YouTube channel.
freeCodeCamp's free, self-paced Python curriculum with hands-on coding challenges and projects.
Google's free, Creative-Commons-licensed Python class — written materials, lecture videos, and exercises for people with some coding experience.
💼 LinkedIn Learning
Installing Python, pip, and Jupyter Notebook, then variables, operators, functions, classes, and control flow.
Getting the most out of the modules that ship with Python itself.
Four widely-used third-party libraries: Pendulum, Requests, PyFilesystem, and Pillow.
Foundational Python skills for new programmers or experienced coders picking up the language.
Beyond the basics — design patterns, testing, and interview preparation for working Python developers.
A structured certification path from the Python Institute, from coding novice through boosted proficiency.