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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.
It's in the kata description.
Thank you. I did a two solution for it which the first one is just literally looks for the string "needle" and then the other one is to apply my first approach which is to convert the values inside of the array to string which is unnecessary but yea just to make it possible with case insensitive haha.
Somehow a bit stupid...
In the condition it is necessary to indicate that we are looking for the index of the element and not its position!!!