Can you share what are seeing and also what you are expecting to see?
If you’re trying to pass the exercise, nhcarrigan’s suggestion likely good. You need to use only the function reusableFunction, which is what the exercise calls for.
I’ve edited your post for readability. When you enter a code block into a forum post, please precede it with a separate line of three backticks and follow it with a separate line of three backticks to make it easier to read.
See this post to find the backtick on your keyboard. The “preformatted text” tool in the editor (</>) will also add backticks around text.