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Test Development Learning Exchange
Test Development Learning Exchange
Jun 23, 2025 · Fundamentals

Master Python Function Arguments: Positional, Keyword, Default, *args, **kwargs

This guide walks through ten Python function‑argument examples—including positional, keyword, default values, mutable‑default pitfalls, variable‑length *args and **kwargs, argument unpacking, ordering rules, and mutable‑object handling—providing clear code snippets and explanations for each case.

Function ArgumentsPythonargs-kwargs
0 likes · 7 min read
Master Python Function Arguments: Positional, Keyword, Default, *args, **kwargs
Python Programming Learning Circle
Python Programming Learning Circle
Apr 20, 2021 · Fundamentals

Understanding Different Types of Arguments in Python Function Definitions

This article explains Python function definitions, covering required, default, keyword, positional, variable-length (*args, **kwargs), and positional-only/keyword-only parameters, illustrating each type with syntax, usage rules, and example code snippets, and common pitfalls such as mutable default values and argument ordering errors.

Function ArgumentsPythondefaults
0 likes · 9 min read
Understanding Different Types of Arguments in Python Function Definitions