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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 did not, your solution is too slow.
Also, not a suggestion.
I passed all the tests but its throwing execution timed out. Should i optimize my code? i am confused cause it passed all the test cases.