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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.
give problems with both algorithms in ruby, if i use my own code it give out error ( and it does the same as the ruby prime library) and if i use the ruby prime library ggive error too.