Sep 20, 2025 · In Python, *args and **kwargs are used to allow functions to accept an arbitrary number of arguments. These features provide great flexibility when designing functions that need to handle a …

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By default, a function must be called with the correct number of arguments. However, sometimes you may not know how many arguments that will be passed into your function. *args and **kwargs allow …

Putting *args and/or **kwargs as the last items in your function definition’s argument list allows that function to accept an arbitrary number of arguments and/or keyword arguments.

You can use *args and **kwargs in a function definition to accept both positional arguments and named arguments, whose count is unknown. In the following example, we will define a function with both …

Sometimes, when you look at a function definition in Python, you might see that it takes two strange arguments: *args and **kwargs. If you’ve ever wondered what these peculiar variables are, or why …

Feb 14, 2026 · The names args and kwargs are short for "arguments" and "keyword arguments" respectively. They are purely conventional names -- the actual magic comes from the * and ** prefix …

Learn Python *args and **kwargs step by step using W3Schools 🚀In this tutorial, you’ll understand how to create flexible functions that can accept any numbe...

So what are they ? First of all, let me tell you that it is not necessary to write *args or **kwargs. Only the * (asterisk) is necessary. You could have also written *var and **vars. Writing *args and **kwargs is …

Dec 5, 2025 · In short: They help your code adapt instead of break. One-sentence summary: *args is a bag of unnamed values, and **kwargs is a dictionary of named values.