From b467dca5610a8c08be5b3dd93a11778a5c4a6fec Mon Sep 17 00:00:00 2001
From: marina <138340846+bt3gl-cryptography@users.noreply.github.com>
Date: Mon, 31 Jul 2023 16:32:41 -0700
Subject: [PATCH] Create pivot_index_array.py

---
 arrays_and_strings/pivot_index_array.py | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 arrays_and_strings/pivot_index_array.py

diff --git a/arrays_and_strings/pivot_index_array.py b/arrays_and_strings/pivot_index_array.py
new file mode 100644
index 0000000..03c0c42
--- /dev/null
+++ b/arrays_and_strings/pivot_index_array.py
@@ -0,0 +1,19 @@
+#!/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