FUNCTION IN PYTHON (One Shot) | Class 12 Computer Science CBSE

Struggling to understand Functions in Python? Welcome to the ultimate one-shot tutorial! In this video, we will explore the concept of a Function in Python in detail to help you ace your CBSE Class 12 Computer Science 083 board exams. We ditch the complex textbook definitions and use relatable real-life analogies to show how dividing tasks makes programming simple and efficient. This one-shot lecture on working with functions in Python class 12 is your complete roadmap — from basics to board-level mastery, explained with real-life logic, coding examples, and exam-focused clarity. 📚 What You Will Learn: • The Basics: Understanding how functions break down large programs into manageable units. • Categories: The difference between built-in functions, user-defined functions, and modules. • Deep Dive: Mastering parameters, return values (including multiple returns), and the flow of execution. • Variable Scope: A clear breakdown of Local vs. Global variables and the essential LEGB Rule. • Arguments: How to correctly use Positional, Default, Keyword, and Variable-Length arguments. Whether you're preparing for CBSE Class 12 Computer Science (083) or building your Python foundation, this session will help you break down complex programs into simple, reusable logic — just like real programmers do. Designed exactly as per the CBSE pattern 🔗 Important Links & Resources: ➡️ Website for notes and video lectures: www.SinghClasses.in ➡️ Join my WhatsApp Group for doubts & updates: chat.whatsapp.com/LW4dBrAHIaGAXwK1ni2MPH ⏳ Video Chapters / Timeline: 00:00 - Introduction to Video 00:45 - What is a Function in Python? 08:12 - Types of Functions (Built-in, User-defined, Modules) 18:00 - Function Terminology 24:57 - Function can be written like 32:21 - Tracing a Function 35:58 - Returning Multiple Values 38:04 - Scope of a Variable (Local vs. Global) 47:12 - The LEGB Rule Explained 47:46 - Functions Arguments 51:23 - Functions Parameters 52:01 - 1. Positional Arguments 54:58 - 2. Default Arguments 01:10:19 - 3. Keyword Arguments 01:11:40 - 4. Variable-Length Arguments 01:16:34 - Advantages of Writing Functions 01:18:09 - Conclusion + Revision Tips + Outro 👨‍🏫 About the Instructor: I’m Rohit Singh, PGT Computer Science— Not just teaching chapters but shaping results for 10+ years. I specialise in turning complex syllabus language into student-friendly logic, especially for CBSE board exams. 📍 Offline Coaching: Sant Nagar & Hudson Lane 📞 Academic Counselling & Enrolments: 8800873871 🎯 Target Audience: This lesson is perfectly structured for Class 9-12 CBSE students studying Computer Science (CS 083/085), Informatics Practices (IP 065), Artificial Intelligence (AI 417), Information Technology, or Computer Applications. It is also highly recommended for BCA, MCA, B.Tech, and M.Tech students looking to build a strong foundation in Python. #FunctionInPython #PythonClass12 #CBSEClass12CS #ComputerScience083 #RohitSingh #SinghClasses #PythonProgramming #Class12ComputerScience #PythonFunctions #CSClass12