Leetcode 솔루션: 자기를 제외한 어레이의 제품

class Solution(object):
    def productExceptSelf(self, nums):

        p = 1

        zeroCount = 0

        if all([num == 0 for num in nums]):
            return nums

        for num in nums:
            if num == 0:
                zeroCount += 1
                continue
            p *= num 

        p = p if zeroCount < 2 else 0

        res = []

        includeZero = 0 in nums

        for num in nums:
            if num == 0:
                res.append(p)

            elif includeZero:
                res.append(0)
            elif num != 0:
                res.append(p/num)


        return res