From 740593416a9226e217561e36d799d8698e2483f2 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Mon, 20 Feb 2012 23:11:19 -0500
Subject: use set

---
 Lib/re.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/Lib/re.py b/Lib/re.py
index 6a01743..cc3813f 100644
--- a/Lib/re.py
+++ b/Lib/re.py
@@ -198,10 +198,7 @@ def template(pattern, flags=0):
     "Compile a template pattern, returning a pattern object"
     return _compile(pattern, flags|T)
 
-_alphanum = {}
-for c in 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890':
-    _alphanum[c] = 1
-del c
+_alphanum = set('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890')
 
 def escape(pattern):
     "Escape all non-alphanumeric characters in pattern."
-- 
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