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COWhat is a Function in Programming?
A function is a reusable block of code designed to perform a specific task. Instead of rewriting the same logic multiple times, you define it once and use it whenever needed.
🔹 Why functions matter:
📥 Take input (arguments)
⚙️ Perform a task (logic)
📤 Return an output (result)
In the example above, the function addNumbers(x, y) takes two values, processes them, and returns their sum — demonstrating how clean, modular, and efficient code works.
✨ Writing functions improves:
✔️ Code readability
✔️ Reusability
✔️ Maintainability
✔️ Scalability
Mastering functions is one of the first steps toward becoming a confident programmer. 🚀
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