From 9bf58c7cef71e4a84abbfe02c8d14a304fb3aae1 Mon Sep 17 00:00:00 2001
From: Freezed <git@freezed.me>
Date: Thu, 16 Jul 2020 09:40:40 +0200
Subject: [PATCH] Find id for pile center

---
 technical_tests/sand_grain_drop.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/technical_tests/sand_grain_drop.py b/technical_tests/sand_grain_drop.py
index a7e2c16..93d5284 100644
--- a/technical_tests/sand_grain_drop.py
+++ b/technical_tests/sand_grain_drop.py
@@ -35,7 +35,9 @@ def main(pile, n):
     [[0, 1, 0, 1, 0], [1, 2, 2, 2, 1], [0, 2, 0, 2, 0], [1, 2, 2, 2, 1], [0, 1, 0, 1, 0]]
     """
 
-    return pile
+    center = int((len(pile) - 1) / 2)
+
+    return center
 
 
 if __name__ == "__main__":