猜数游戏。写程序，游戏者先想好一个1-100之间的数；输入“Start”，程序猜这个数是什么；用户反馈这个数是大、是小、还是正好。若游戏者不请求，直接“回车”，则结束程序运行。-Guessing game. Written procedures, a good game, first to a number between 1-100　enter the " Start" , program guess the number is　user feedback, this number is large, small, or just. If the player does not request direct " Enter" , then the end of the run.