From 555491c4bd64971a005da6253389c3d4d2e70db2 Mon Sep 17 00:00:00 2001
From: free hacker <freeh4cker@gmail.com>
Date: Fri, 19 Feb 2016 00:40:31 +0100
Subject: [PATCH] add reference

---
 source/Control_Flow_Statements.rst | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/Control_Flow_Statements.rst b/source/Control_Flow_Statements.rst
index 53083a8..5a27b16 100644
--- a/source/Control_Flow_Statements.rst
+++ b/source/Control_Flow_Statements.rst
@@ -79,7 +79,9 @@ implementation
    print my_max(l)
    58
    
-   
+
+.. _enzyme_exercise:
+
 Exercise
 --------
 
-- 
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