字符和数据计算的实验 实验内容：先在屏幕上显示“input string,”,输入字符串 再显示“result=”。如为0~9的数字，则计数器加1，如为非数字，则直接显示，但不计数。-Characters and calculating data of experiments Experiment content: first on the screen shows "input string,", the input string It is displayed "result ="