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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.
your solution is not robust because it uses a space separator that it then splits on to produce the pairs. that's assuming that the input string never contains spaces, which is not true in the random tests. not a kata issue.
OP solved it, closing
OP solved it, closing
Try resubmitting your solution or refresh the browser (seems like you've solved it ^^
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