Update xor-operation-in-an-array.py

Author: kamyu104

Python/xor-operation-in-an-array.py

@@ -12,7 +12,7 @@ def xorNums(n, start):
             def xorNumsBeginEven(n, start):
                 assert(start%2 == 0)
                 # 2*i ^ (2*i+1) = 1
-                return ((n//2)%2)^((start+n-1) if (n%2) else 0)
+                return ((n//2)%2)^((start+n-1) if n%2 else 0)
 
             return start^xorNumsBeginEven(n-1, start+1) if start%2 else xorNumsBeginEven(n, start)