would you also like an extension that displays 1 page long explanation of a word when hovering over any word

So lets go even further and add that 1 to arr[0], since it is also guaranteed not to be in the result.

It remains un-efficient even though.

Description was updated to be exactly that.

corrected

You were... :D

Description updated, more and random tests added.

Your solution is now invalid :-)

Thank you! :) I see you had the same idea.

I'm sorry for not making it clear outright, but this exercise was intended for my students (~11-12 yr. old) who have not learned functions yet. It's so they can practice "for" loops (though, yes, a function would be ideal).

Very true, and what a quick response!

I fixed the issues with this kata.

Please mark as resolved if the improvements fix the issues you commented about!

Oh, thx. It works! Now this solution looks better =)

Nope =)
'this is test!'.split() == ["this is test!"]
Or simply i didn't worked with node js and i don't know this feature.

Thanks you, I am not a pythoner|pythonist.

Please take no offense, but i flagged as spoiler because it was actually what hinted me how to solve it. I was trying that same route until i read the comment.