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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.
TIL string multplication doesn't work with negative values. It returns an empty string.
If anyone is curious. This is called string format. String format is extremely versatile and you should check it out. To learn more, in the IDLE run the code >> help('FORMATTING')
That is just a fun solution.