Like another commenter posted, REPLs are best suited for exploration. When you've got data and you're not quite sure what to make of it, or you want to do with

Like another commenter posted, REPLs are best suited for exploration. When you've got data and you're not quite sure what to make of it, or you want to do with it yet. IDEs, while also having their place, do not really fill that gap in any way. I often find myself exploring in a language with a good REPL and then implementing the findings in a language that does not.