Now, the next thing we'll do is print a message depending on whether or not a note was actually removed. That means app.js, which calls the removeNote function, will need to know whether or not a note was removed. And how do we figure that out? How can we possibly return that given the information we have in notes.js removeNotes function?
Well, we can, because we have two really important pieces of information. We have the length of the original notes array and we have the length of the new notes array. If they're equal then we can assume that no note was removed. If they are not equal, we'll assume that a note was removed. And that is exactly what we'll do.
If the removeNote function returns true, that ...
