Swapping Variable Values Without an Intermediary Variable
Swapping Variable Values Without an Intermediary Variable
Swapping Variable Values Without an Intermediary Variable
Problem: You have two variables, a and b, and you want to swap their values without using an intermediary variable. This operation is commonly referred to as a "value swap."Solution:In Python, you can swap the values of a and b without using an intermediary variable using tuple unpacking. Here's the solution:
Program
def my_function():
a = 5 ;b = 10
a, b = b, a
# After the swap
print("a: " ,a)
print("b: " ,b)
# 10 # 5
if __name__=="__main__":
my_function()
Output:
In this code:The line a, b = b, a simultaneously assigns the value of b to a and the value of a to b in a single step using tuple unpacking. This efficiently swaps the values of a and b without the need for an intermediary variable.
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