Update insertion_sort_list.py

yingl · web-flow · commit e66b0a7bdfdd · 2017-04-25T13:24:23.000+08:00
diff --git a/insertion_sort_list.py b/insertion_sort_list.py
@@ -1,4 +1,4 @@
-# -*- coding: utf-8 -*-
+# coding: utf-8
 
 class Solution:
     """
@@ -18,4 +18,6 @@ def insertionSortList(self, head):
             head.next = tmp.next
             tmp.next = head
             head = next
-        return new_head.next
+        return new_head.next
+
+# easy: http://lintcode.com/zh-cn/problem/insertion-sort-list/
