1582 articles
Learn how to write effective Python comments and docstrings. This guide covers single-line comments, multi-line comments, docstrings, and when NOT to comment for cleaner, more maintainable code.
Master Python list, dict, set comprehensions, and generator expressions. Learn when to use each form, how they outperform loops, and the pitfalls to avoid in production code.
A complete guide to Python control structures: if/elif/else, for loops, while loops, break/continue, and the modern match statement. Includes real-world examples and best practices.
Understand every Python built-in data type: int, float, str, bool, list, tuple, dict, set, and None. Learn when to use each type, how mutability works, and how to write type-safe Python code.
Learn how Python decorators work from first principles. This guide covers function decorators, class decorators, decorator factories, and real-world patterns used in Flask, FastAPI, and Django.