IF the code is self-explanatory, then the comments are redundant, and is ok to delete them. But from time to time, there are things that are at least not so obv

IF the code is self-explanatory, then the comments are redundant, and is ok to delete them. But from time to time, there are things that are at least not so obvious in the code. Then is good to leave a comment. That could be used to see how good a language is for specific tasks. If you need to write lots of comments, maybe you have the wrong language.