Program to Swap Two Numbers Without Using a Third Variable in Python | Logic Building | KniteCoderz
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In this video, we’ll learn how to swap two numbers without using a third variable in Python.
This is one of the most popular logic-building exercises that helps beginners understand arithmetic operations, variable manipulation, and data handling.
We’ll use the addition and subtraction technique to exchange variable values — no extra variable required!
What You’ll Learn:
Swapping numbers using arithmetic logic
Handling input using the input() function
Understanding how variable values change step-by-step
Writing clean and efficient Python code
Concept Insight:
Python also supports tuple unpacking (a, b = b, a) for easy swapping — but here, we’ll build the logic manually to help you understand how swapping works internally.
Why It’s Important:
This program enhances logical reasoning, strengthens problem-solving skills, and prepares you for coding interviews and Python fundamentals.
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