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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.
Maybe because some sheeps are crippled? You wouldn't want to pay the full price for them, would you?
"Everyone says it's so clever!" Well, because it is clever. That minor issue could be fixed by replacing x with any number, e.g.,
template = '(111) 111-1111'
;number += '1'