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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.
how doesn't str[i-1] throw an error in the first pass? does it skip it because of the ||?
the int conversion i think is unnessesary. in go division returns the same type and in integer case it returns the quotient
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