Sum of All Odd Length Subarrays

class Solution:
    def sumOddLengthSubarrays(self, arr: List[int]) -> int:        
        total = 0
        for wsize in range(1, 1 + len(arr), 2):
            for ix in range(len(arr) - wsize + 1):
                total = total + sum(arr[ix:ix + wsize])
        return total