You get that error because you can only return one thing at any given time. That error translates to "do something so you will only return one thing".
I know it asks you to return one element. In this article I'm trying to explain WHY does it want you to return one element.
Are you sure you want to hide this comment? It will become hidden in your post, but will still be visible via the comment's permalink.
Hide child comments as well
Confirm
For further actions, you may consider blocking this person and/or reporting abuse
We're a place where coders share, stay up-to-date and grow their careers.
You get that error because you can only return one thing at any given time. That error translates to "do something so you will only return one thing".
I know it asks you to return one element. In this article I'm trying to explain WHY does it want you to return one element.