In This Post We Learn How to Exchange the Value of  Two Numbers Without Using Temporary Variable in Python 3 Programming

Program Code Example:

a = 10
b = 5
print("Before Swap")
print("a:", a, " b:", b)
a = a+b             # a = 10 + 5 ,  a = 15
b = a-b             # b = 15-5  , b = 10
a = a-b            # a = 15-10 , a = 5
print("After Swap")
print("a:", a, " b:", b)

Output:

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