Types of User-Defined Functions in Python | Complete Guide with Examples 🔍

🧠 Types of User-Defined Functions in Python | Complete Guide with Examples

Welcome to Video 91 of our Python Development Series! In this session, we explore one of the most important concepts in programming — User-Defined Functions in Python, and the different types based on parameters and return values.

Understanding function types helps you structure code better, improve reusability, and write clean, maintainable programs. Whether you're a beginner or brushing up on core concepts, this video will give you a clear and practical understanding of function types.

📌 In this video, you’ll learn:
✅ What are user-defined functions in Python
✅ Four main types of user-defined functions:
 1️⃣ Function with no parameters & no return
 2️⃣ Function with parameters & no return
 3️⃣ Function with parameters & with return
 4️⃣ Function with no parameters but with return
✅ When and why to use each type
✅ Real-world examples for each type
✅ Best practices for writing clean functions

💡 Why It Matters:
Functions are the building blocks of scalable code. By learning different function types, you gain control over how you design your logic and reuse code effectively.

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📌 Watch next:
👉 [Previous video: Inbuilt Functions Part 2 – Python Video 71]
👉 [Next video: Lambda Functions in Python]

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