Update flatten_list.py

yingl · web-flow · commit c53bd78ea089 · 2017-04-25T13:59:56.000+08:00
diff --git a/flatten_list.py b/flatten_list.py
@@ -1,4 +1,4 @@
-# -*- coding: utf-8 -*-
+# coding: utf-8
 
 class Solution(object):
 
@@ -18,4 +18,6 @@ def _flatten(self, _list, nestedList):
                     self._flatten(_list, i)
                 else:
                     _list.append(i)
-        return _list
+        return _list
+
+# easy: http://lintcode.com/problem/flatten-list
