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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.
Yeah... I've had a look, but without knowing Python, it's a bit tricky guessing what the problem is. @jhoffner was the one that wrote it, so perhaps he can have a look..?
You don't have to match the whole string; you just have to make any kind of match. For the JavaScript version,
Mod4.test(str)is used, so as long as some kind of match is made, you'll pass. Not sure about the other language versions (I didn't write them), but they should be the same.