python function with optional arguments
on channel: CodeLines
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In Python, you can define functions with optional arguments, allowing flexibility in function calls by providing default values for some parameters. This tutorial will guide you through creating functions with optional arguments and demonstrate how to use them effectively.
Let's start with a basic function that takes two mandatory arguments:
Here, add_numbers requires two arguments (a and b). Now, we'll enhance this function by making one of the arguments optional.
To make an argument optional, you can assign a default value to it in the function definition. Here's an example:
In this case, b has a default value of 0. If the caller provides a value for b, it will use that value. Otherwise, it will default to 0.
Now, let's see how to use these functions:
The use of optional arguments enhances the flexibility of your functions. It allows users to customize the behavior of the function based on their needs without requiring them to provide values for every parameter.
Now you have a basic understanding of creating functions with optional arguments in Python. This feature is handy for designing functions that cater to a variety of scenarios while maintaining simplicity for the end user.
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