Yeah the other two replies explain why we used code stubs that would at least run but not pass. Don't think it's an idiom (at least not one that I've seen). I

Yeah the other two replies explain why we used code stubs that would at least run but not pass. Don't think it's an idiom (at least not one that I've seen). It's definitely not the nicest code, especially for simpler problems that are really one-liners but we figured lots of people would just click "submit" on just the code stubs.