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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.
yes
Maybe
Yes.
Nope.
is it possible that donot return else things just do the else
You don't need the return here :)
Does this perform faster than n ** 3?