Python构建二叉树
class Node:def __init__(self, data):self.left = Noneself.right = Noneself.data = data# Insert Nodedef insert(self, data):if self.d
class Node:def __init__(self, data):self.left = Noneself.right = Noneself.data = data# Insert Nodedef insert(self, data):if self.d