Algorithm solving problem "136. Single Number" from Leetcode (https://leetcode.com/problems/single-number/)

Author: eukub

bit_manipulation/single_number.py

@@ -15,20 +15,21 @@ def single_number(nums: list) -> int:
                  every element appears twice except for one.
     :return: element that appears only one time
 
-    Examples:
+     Examples:
         Example 1
-            Input: nums = [1, 3, 3, 2, 6, 2, 1]
-            Output: 6
+            >>> print(single_number([1, 3, 3, 2, 6, 2, 1]))
+            6
+
         Example 2
-            Input: nums = [12, 1, 1, 7, 1, 12, 1]
-            Output: 7
+            >>> print(single_number([12, 1, 1, 7, 1, 12, 1]))
+            7
+
         Example 3
-            Input: nums = [6]
-            Output: 6
+            >>> print(single_number([6]))
+            6
     """
-    result = 0
 
+    result = 0
     for el in nums:
         result ^= el
-
     return result