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Python - Swap 2 numbers Without using 3rd variable

Viewed:  1804 
Posted On:  23/05/2015 22:35:20 
In this article I am going to explain how we can swap the values of variable without using 3rd variable.... 


Here I am going to explain how we can swap 2 numbers without using 3rd variable.

Step 1: Open IDLE(Python GUI) in your system.

Step 2 : Type the Below code and save the code Eg:- I have saved with swap name.

a = 8
b = 7

print("the value for 1st variable is",a)
print("the value for 2nd variable is",b)

a = a+b
b = a-b
a = a-b

print("the value after swaping 1st variable is",a)
print("the value after swaping 2nd variable is",b)

Step 3 :
 Open command prompt.

Step 4 : Go to the saved script folder.

Step 5 : Write python <Script name>.py  for execution.(Eg.- python



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