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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.
Probably because the pretty poor specification re whitespace trimming leads to people failing out on this :P. Not sure if the kyu rating is dynamic based on this or not.
Should the example trim? There is no requirement to right-trim whitespace specified
For example the example states
'apple, pears # yada' -> 'apple, pears' clearly trimming whitespace but this isn't necessarily desirable and is beyond the scope of a comment stripper.