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985. Sum of Even Numbers After Queries

https://leetcode.com/problems/sum-of-even-numbers-after-queries/

Python​

class Solution:
    def sumEvenAfterQueries(self, nums: List[int], queries: List[List[int]]) -> List[int]:
        total = sum([num for num in nums if num % 2 == 0])

        ans = []
        for value, index in queries:
            if nums[index] % 2 == 0:
                total -= nums[index]

            nums[index] = nums[index] + value

            if nums[index] % 2 == 0:
                total += nums[index]

            ans.append(total)
        return ans