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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.
This helped me figure out why my solution was failing in JS. Thank you.
This comment is hidden because it contains spoiler information about the solution
Thanks for suggestion. I've added 2017 to fixed tests. Regards, suic
Fun little Kata, but a suggestion:
Assert for year 2017. January has a friday on the 13th that year, and I'm seeing one JavaScript solution that starts counting months from 1. JavaScript months start at 0.