基于二叉树的猜动物游戏，程序可以根据对动物特征的判断猜出玩家心中的动物；若猜错，则玩家可自行添加有关特征，使程序最终猜对此动物-A guessing animal game based on binary tree, which can guess the animal in the player s mind according to the judgement of the features. If the result is wrong, players can add the rela