Update level_order_tree.py

Amogh Singhal · web-flow · commit d814cf939ebd · 2019-06-04T23:33:57.000+05:30
diff --git a/level_order_tree.py b/level_order_tree.py
@@ -1,3 +1,7 @@
+# This is a level order traversal of a 
+# a binary tree. It is also known as breadth
+# first traversal.
+
 class Node:
   
   def __init__(self, data):
