<ul data-eligibleForWebStory="true"><li>Python functions are reusable pieces of code that perform specific tasks.</li><li>Functions can take parameters and can return values using the return statement.</li><li>Python functions can return single or multiple values, and if a function lacks a return statement, it defaults to None.</li><li>Key tips for using functions effectively include remembering to return results, storing return values, keeping functions focused, using descriptive names, and documenting functions.</li></ul>

Python Functions & Return Values: Your Complete Guide to Writing Better Code

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