运行这段代码的话，由于易编辑环境也是一个调试器，所以程序会马上脱离，然后你按“终止”是没有用的。可以使用下面一个代码！-Then run the code, easy to edit the environment is also a debugger, so the program will immediately out of, and then you press the " termination"　is of no use. You can use the following code!