Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
写ros的helloworld将cpp和py放在了一个功能包，但是运行py代码时会出现两个文件，只有一个是正确的，这是为啥!!
