Real Python - Defining Python Functions With Optional Arguments

Defining your own functions is an essential skill for writing clean and effective code. In this tutorial, you'll explore the techniques you have available for defining Python functions that take optional arguments. When you master Python optional arguments, you'll be able to define functions that are more powerful and more flexible.
In this course, you'll learn how to
Distinguish between parameters and arguments
Define functions with optional arguments and default parameter values
Define functions using args and kwargs
Deal with error messages about optional arguments
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