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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.
Thanks
not all hero wear cape :D Thanks man, I was stuck on it for hours
you can just check if its exists...
Thanks
Print the input (neither of those two values is the input, the first is the expected one and the other is what your function returned), your function returned the first 12 digits instead of masking them and leaving the last 4 digits unmasked.