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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.
nothing. not a thing. two things. look up one, then the other!
It is a common mistake people do in this kata. For example see this.
Simply put, there is a difference between sorting a list of
string
s and sorting a list ofint
s.Could you provide some more details on the error? Screenshot, exact content of the test output panel, browser console errors, whatever? Do you still get the same error if you try to submit it again later?
Kata works OK for me, tests pass successfully, and I get no error when submitting. If you are sure your solution is valid and you think it's some server issue, more details would be appreciated.