本程序实现了数字识别功能，运行时，您输入测试用例，本程序会自动识别您输入的是不是数字-This procedure achieved a number of identification features, run-time, you enter the test case, the program will automatically identify your input is not just numbers

本程序实现了数字识别功能，运行时，您输入测试用例，本程序会自动识别您输入的是不是数字-This procedure achieved a number of identification features, run-time, you enter the test case, the program will automatically identify your input is not just numbers