摘要： ```python class Graph(object): def __init__(self, args, kwargs): self.node_neighbors = {} self.visited = {} def add_nodes(self,nodelist): for node in 阅读全文

摘要： ```python class Node(object): def __init__(self, data=None, left=None, right=None): self.data = data self.left = left self.right = right class BTree(object): def __in... 阅读全文