Positional-only and keyword-only arguments in Python by mCoding (10 min) Why: Goes beyond the basics of *args and **kwargs to explain the / and * separators in function signatures, which control how arguments can be passed. Precise, well-structured, and fills the gap that most tutorials miss.
- Python Tutorial for Beginners 8: Functions by Corey Schafer (21 min) — Covers *args and **kwargs as part of a broader functions tutorial, showing how they fit into Python's argument-passing system. Start here if you are still getting comfortable with functions.
- Python 101: Learn These MUST KNOW List Features by Tech With Tim (15 min) — Covers unpacking and the * operator in the context of lists, which builds the mental model needed to understand *args in function calls.
- 5 Tips For Object-Oriented Programming Done Well - In Python by ArjanCodes (22 min) — Demonstrates how *args and **kwargs are used in real class hierarchies and design patterns, showing when variable-length arguments genuinely improve your code versus when they hide poor design.
Last verified: February 2026