Python Program To Swap Two Numbers without Temporary Variable

Published January 07, 2021

In This Python program we will learn swap two numbers without using temporary variable.

Program Steps:

Take two numbers from the user and save them in two different variables
Add both numbers and store the value in first number
Substract second value from the first variable value and store it in second variable
Now, subtract first value from the second variable and store it in first variable.
Now print the values.

Python program to swap two numbers without temporary number

Program to swap two numbers

x=int(input("Enter value of first variable: x= "))
y=int(input("Enter value of second variable: y= "))
print(" **** before swap **** ")
print("x is:",x," y is:",y)
x=x+y
y=x-y
x=x-y
print(" **** after swap *** ")
print("x is:",x," y is:",y)

Output

Enter value of first variable: x= 102
Enter value of second variable: y= 123
**** before swap ****
x is: 102 y is: 123
**** after swap ***
x is: 123 y is: 102

Conclusion: This way we can swap numbers without using temporary variable in python.

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