How to Swap Two Variables in Python ||10th & 11th Computer science ||Lec-3 chapter-2
How to Swap Two Variables in Python ||10th & 11th Computer science ||Lec-3 chapter-2 #python
📄 YouTube Description (SEO Optimized)
🐍 Python Programming Complete Course | Chapter 2 | Lecture 3
Welcome to Lecture 3 of the Python Programming Complete Course for Class 11 Computer Science (ICS Part 1) and 10th Class Computer Science.
In this lecture, we learn how to swap the values of two integer variables using a temporary variable. This is one of the most important beginner-level Python programs and is frequently asked in board exams, practical exams, and programming interviews.
📚 Python Program
a = 2
b = 3
print("Values before swapping:")
print("a =", a, "b =", b)
temp = a
a = b
b = temp
print("Values after swapping:")
print("a =", a, "b =", b)
✅ Step-by-Step Dry Run
Step
Value of a
Value of b
Initial values
2
3
temp = a
2
3
a = b
3
3
b = temp
3
2
🎯 Final Output
Values before swapping:
a = 2 b = 3
Values after swapping:
a = 3 b = 2
📚 Topics Covered
Python Variables
Temporary Variable Method
Swapping Two Variables
Display Output Questions
Dry Run Technique
Variable Tracing
Python Practical Programs
Board Exam Preparation
Beginner-Friendly Python Programming
🎯 Learning Outcomes
After watching this lecture, you will be able to:
Understand how variable swapping works.
Use a temporary variable in Python.
Trace program execution step by step.
Predict the output of swapping programs.
Solve practical and board exam questions confidently.
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ICS Part 1 Students
10th Class Computer Science
Python Beginners
College Students
Teachers
Self-Learners
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