Negative Number converting syntax in code

#1

i don’t get it how sum=(sum+n)%5 in code converting negative numbers to positive(ex -2 to 2)
see ??? in code

#2

Hey @rupesh-4819
Its not converting negative nos to positive
Instead its calculating modulo of negative nos

Say we have x%n then this should be equal to (x+0)%n == (x+n%n)%n ==(x+n)%n
In above example if n is 5 then (-2+5)%5=3

#3

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