858) Mirror Reflection.py

class Solution:
    def mirrorReflection(self, p: int, q: int) -> int:
        ext = q
        reflection = p
        while ext % 2 == 0 and reflection % 2 == 0:
            ext /= 2
            reflection /= 2
        if ext % 2 == 0 and reflection % 2 != 0: return 0
        if ext % 2 == 1 and reflection % 2 == 0: return 2
        if ext % 2 == 1 and reflection % 2 != 0: return 1
        return -1