From f25a38e5687df1c50cbc101c2528dbb81205e945 Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sun, 3 Aug 2014 22:36:32 -0700
Subject: Use reversed() instead of creating a new temporary list.

---
 Lib/difflib.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'Lib/difflib.py')

diff --git a/Lib/difflib.py b/Lib/difflib.py
index 4af88a9d78..f161baafe4 100644
--- a/Lib/difflib.py
+++ b/Lib/difflib.py
@@ -1410,7 +1410,7 @@ def _mdiff(fromlines, tolines, context=None, linejunk=None,
             change_re.sub(record_sub_info,markers)
             # process each tuple inserting our special marks that won't be
             # noticed by an xml/html escaper.
-            for key,(begin,end) in sub_info[::-1]:
+            for key,(begin,end) in reversed(sub_info):
                 text = text[0:begin]+'\0'+key+text[begin:end]+'\1'+text[end:]
             text = text[2:]
         # Handle case of add/delete entire line
-- 
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