自己用curse库编写的贪吃蛇，为了方便初学者学习，只包含了最核心的游戏功能，包括蛇的控制、变长，食物的随机产生等等基本内容，读者可自行补充游戏积分、游戏菜单等功能。-Library with a curse written in their own Snake, for the convenience of beginners to learn, only contains the core game features, including the snake control, variabl