Decorators & Context Managers: The @ and with You Keep Seeing
Understand the @ and with you keep seeing in FastAPI and PyTorch code: how decorators wrap functions, how context managers clean up, and how to build both yourself.

Understand the @ and with you keep seeing in FastAPI and PyTorch code: how decorators wrap functions, how context managers clean up, and how to build both yourself.

Go beyond the basics: default argument traps, args and kwargs, scope, lambdas, and closures, and why passing functions around sits at the heart of AI code.

Go beyond the basics: default argument traps, args and kwargs, scope, lambdas, and closures, and why passing functions around sits at the heart of AI code.

Learn when to use lists, dictionaries, tuples, and sets in Python, why some are thousands of times faster than others, and how to avoid a classic copying bug.

Variables, types, loops, and functions in plain language, plus how Python actually runs your code and why it became the language of AI.

Community reach, domain authority, or monetization — which platform actually serves software engineers in 2026?
