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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.
This usually means that your solution is not correct and fails some detailed tests. Read this paragraph of FAQ for some ideas: https://docs.codewars.com/training/troubleshooting/#test-attempt
You can also ask for help on
#help-solvechannel of Codewars Discord.Maybe revise your code once... there may be chance that your code is failed to satisfy the testcases on Attempt!