Create singleUniqueNumber.py

Author: narkarum

src/chapter11searching/singleUniqueNumber.py

@@ -0,0 +1,20 @@
+# Copyright (c) Dec 22, 2014 CareerMonk Publications and others.
+# E-Mail           		: [email protected] 
+# Creation Date    		: 2014-01-10 06:15:46 
+# Last modification		: 2008-10-31 
+#               by		: Narasimha Karumanchi 
+# Book Title			: Data Structures And Algorithmic Thinking With Python
+# Warranty         		: This software is provided "as is" without any 
+# 				   warranty; without even the implied warranty of 
+# 				    merchantability or fitness for a particular purpose. 
+
+class Solution(object):
+    def singleNumber(self, A):
+        """
+        :type A: List[int]
+        :rtype: int
+        """
+        result = 0
+        for n in A:
+            result ^= n
+        return result