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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.
There are actual tests. The author just forgot to add the example tests.
Anyways, I've added an example test.
@Wei-LiangChew I'm a little late but then the while loop will iterate over with n - 1 = 8 (and so on)
But what if the largest 5-digit number in
digitsdoesn't start with 9?Write a real test
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