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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.
Yes,
10has two digits, so you need to continue until you arrive to a single-digit value.Incorrect answer for n=10: expected 10 to equal 1 Completed in 2ms Should pass random tests Incorrect answer for n=563527: expected 10 to equal 110is not a single-digit number? Is it should next10 --> 1 + 0 = 1? Is a test case error ??