From 12e1cd35441cdc6ca30a190eebd6cbe945a06f66 Mon Sep 17 00:00:00 2001
From: Steve0x2a <stevesough@gmail.com>
Date: Sun, 15 Aug 2021 13:33:14 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A00724=E5=AF=BB=E6=89=BE?=
 =?UTF-8?q?=E6=95=B0=E7=BB=84=E7=9A=84=E4=B8=AD=E5=BF=83=E7=B4=A2=E5=BC=95?=
 =?UTF-8?q?=20Python=E7=89=88=E6=9C=AC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0724.寻找数组的中心索引.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/problems/0724.寻找数组的中心索引.md b/problems/0724.寻找数组的中心索引.md
index 3ed68d47..052d4c02 100644
--- a/problems/0724.寻找数组的中心索引.md
+++ b/problems/0724.寻找数组的中心索引.md
@@ -90,6 +90,15 @@ class Solution {
 ## Python
 
 ```python
+class Solution:
+    def pivotIndex(self, nums: List[int]) -> int:
+        numSum = sum(nums) #数组总和
+        leftSum = 0
+        for i in range(len(nums)):
+            if numSum - leftSum -nums[i] == leftSum: #左右和相等 
+                return i
+            leftSum += nums[i]
+        return -1
 ```
 
 ## Go