I made a change in the way I pick my steps and it finally worked, haha!

I was about to give up and go to sleep, but it's your comment that gave me hope for a last try. ^_^

If you want to change your answer, well, your answer is a already submitted, so just click Train Again and submit another solution. You can have multiple solutions per kata. Or your can fork it, but that is only for small changes.

Hey! I appreciate the feedback. After submitting my solution, I saw some other switch solutions and they had the default case, but I didn't know how to change my final answer. Switch is one I have rarely used and wanted to practice. Gotta remember the default! Thanks again for your comment.

I tried these stacked cases but I got undefined on my attempts, I don't know why for now... But I wanna say that you could put a default case for when the user gives you an invalid month so your switch can return an error message. ^^