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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.
I noticed that most people did the same thing. only difference is iterating over the new char * and modifying the value in place I took string and looped over it, modifying it in place. I wonder is there any difference?
good way to get rid of the need for a check on start and end values
yeah I would have gone about it differently if they included a statement about not modifying the signature