\[\color{black}{\text{In scala, it's weird to mimic `%` `//` of python}}
\]
/*
Python's % operator returns a result with the same sign as the divisor, and // rounds towards negative infinity.
In Scala, % and / don't behave the same way. The % operator returns a result with the same sign as the dividend, and / performs truncating division, rounding towards zero.
*/
def pythonMod(a: Int, b: Int): Int = ((a % b) + b) % b
def pythonDiv(a: Int, b: Int): Int = {
if ((a > 0 && b > 0) || (a < 0 && b < 0)) a / b
else if (a % b == 0) a / b
else a / b - 1
}