Update populating-next-right-pointers-in-each-node-ii.py

Author: kamyu104

Python/populating-next-right-pointers-in-each-node-ii.py

@@ -1,15 +1,14 @@
 # Time:  O(n)
 # Space: O(1)
 
-"""
 # Definition for a Node.
 class Node(object):
     def __init__(self, val=0, left=None, right=None, next=None):
         self.val = val
         self.left = left
         self.right = right
         self.next = next
-"""
+
 
 class Solution(object):
     # @param root, a tree node