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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.
Nope, for people who are kinda experienced it's pretty easy to write one-liners from scratch.
should be clearer now.
Agreed. It could be a valid trap teaching input validation if you also needed to handle null, empty strings, and strings without space, but then it wouldn't be 8kyu. And then the description could use a "WARNING! Some input validation may be required" thingy.
Fixed.
Thanks
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When tests were updated and Python 3.8 enabled some old solutions that should have been invalidated were not; might be because there are too many solutions in that kata for the CW process?