本程序实现了2048的基本功能，可以实现最高分的统计，以及目前分数的统计，
在程序的结束，会将最高分写入文件的目录下面，实现对游戏数据的保存。(This program implements the basic function of 2048, you can achieve the highest score statistics, as well as the current score statistics,

At the end of the program, the highest score will be written to the directory of the file, to achieve the preservation of the game data.)