def

The 'def' keyword is a fundamental programming construct used to define functions in Python and some other languages. It marks the start of a function definition, specifying the function name, parameters, and the block of code to execute when called. This enables code reusability, modularity, and organization in software development.

Also known as: function definition, define function, def statement, function keyword, func

Why learn def?

Developers should learn 'def' when working with Python or similar languages to create reusable code blocks, implement logic, and structure programs effectively. It is essential for writing functions that perform specific tasks, handle data processing, or encapsulate behavior, such as in web development, data analysis, or automation scripts.

Learning Resources

• docs: Python Functions - Official Documentation
• tutorial: W3Schools Python Functions Tutorial
• tutorial: Real Python: Defining Your Own Python Function
• tutorial: freeCodeCamp: Python Functions for Beginners
• video: YouTube: Python Functions by Corey Schafer