模拟游戏“贪吃蛇”。本程序最主要的功能是形成一个当蛇吃了一个点，程序在指定的范围内自动产生一个新点，让蛇能向下一个目标前进的，直到游戏到达其跳出条件的循环。

-Simulation game " Snake."　The main function of this process is the formation of a snake eating a point when the program within the specified automatically generate a new point, so the snake can be a goal down, until the conditions of the game out of reach of its cycle.