Untitled

class Solution:
    def productExceptSelf(self, nums: List[int]) -> List[int]:
        prefix, suffix = [1], [1]        
        for num in nums[:-1]
            prefix.append(prefix[-1]*i)
        for num in reversed(nums[1:]):
            suffix.append(suffix[-1]*j)
        return [prefix[i]*suffix[-i-1] for i in range(len(nums))]