Loading collection data...
Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
because may be in this pin there is " " - secret space or anothe simbol.
Hey, maybe you're looking at output of another test (before or after). You are correct that "123" should return false. (test expects false too)
See if this article can help you: https://docs.codewars.com/training/troubleshooting/#print-input
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