最简单的猜数字游戏，随机产生一个数，然后从控制台输入所猜的数，比正确答案大就显示大了，小就显示小了，最多10次猜数机会。-Most simple guessing game randomly generates a number, then from the console input guess the correct answer on the big display, small display small, up to 10 times to guess the number of op