Update invert-binary-tree.py

kamyu104 · kamyu104 · commit 38b5d62e56fa · 2015-06-12T22:02:39.000+08:00
diff --git a/Python/invert-binary-tree.py b/Python/invert-binary-tree.py
@@ -62,6 +62,7 @@ def invertTree(self, root):
                     nodes.push(node.right)
         
         return root
+
   
 # Time:  O(n)
 # Space: O(h)
@@ -82,6 +83,7 @@ def invertTree(self, root):
                     nodes.append(node.right)
         
         return root
+ 
   
 # Time:  O(n)
 # Space: O(h)
