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Create pivot_index_array.py

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marina 2023-07-31 16:32:41 -07:00 • committed by GitHub
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# author: bt3gl
def pivotIndex(nums):
s = sum(nums)
left_sum = 0
for i, x in enumerate(nums):
if left_sum == (s - left_sum - x):
return i
left_sum += x
return -1