可爱小动画

本动画先显示一些提示信息，然后按任意键进入，只见一个方框向中

间由大变小，并留下痕迹，然后出现一个心，按空格重复出现心，按其他

键将重复,按Q键退出程序，。

-This cute little animation animation shows some of the first message, then press any key to enter, I saw a box to the center from big to small, and leave marks, and then the emergence of a heart, repeat by heart a space, press the other key repeat, press the Q key to exit the program.