Jupiter is a rapid application development GUI but for data exploration right these REPLs you know that's that's partly why Jupiter is so popular. It just lets you play and see and then try and it just says that that quick feedback loop is amazing another reason said it's awesome close to the file systemYeah I mean in the end it's all files right whether you're producing code that lives somewhere it's in the file or whether you're working with images or log files that get written to something or you have some configuration it's all Files.