Update binary_trees.py

saarikabhasi · web-flow · commit ccf4888f9f36 · 2021-05-03T09:59:35.000-04:00
diff --git a/tree/binary_trees.py b/tree/binary_trees.py
@@ -91,6 +91,7 @@
            / \   / \
           4   5  6  7
 10. Height of Tree
+11. Size of Tree
 
     
 """
