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Please help me to understand code given below. I tried to find the value for i. Few times i counted as 2. But finally i counted as 3 which is correct answer.
I just want to know, have i taken correct method to figure out the value for i.

This is how i counted.
b = false
i = 1
i++ increment i by 1. so new value of i is now 2.
b= !b means b's value assigned to true.
finally reach to while condition and its( value or b is) true. so loop continue.
increment i by 1. New value for i is 3
b= !b, Therefore b = false
Reach the while condition and its false. So go out from while loop and print 3.

Please help me to understand whether i have taken right path to figure out value of i.
Thank you in advance