Swapping Two Numbers Without Using Third Variable | Python Interview Questions for DevOps | 01

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Python Interview Questions for DevOps

Hey guys,

Welcome back to another video in the series. In today's video, we are going to talk about the prerequisites of this course. We will discuss these programs:

1) Swapping two numbers without using third variable
2) Calculating average

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In one line only we can use know x, y=y, x without using third variable
x, y=5, 10
print("Before swapping x is {} and y is {}".format(x, y))
x, y=y, x
print("After swapping x is {} and y is {}".format(x, y))

sumacc

a=int(input("Enter the number A:"))#a=10
b=int(input("Enter the number B:"))#b=20
a=a+b #10+20=30
b=a-b #30-20=10
a=a-b
print("A:", a, "B:", b)

Ananth-

For number swap what is the logic behind using the if and else? As far as I can tell they are unnecessary and then you simplify the code significantly. Is there a hidden expectation I'm not aware of?

jerrycutshaw

bhai please sab hindi me banate rhna or any artificical intelligence technique hindi me bhi ban de

bvilnkt

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