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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.
The "The challenge here is to modify the provided string" in description, and "Modify the string
s
" in solution setup, are confusing because it's either technically incorrect, or can be interpreted differently, depending on whethers
is a mutable or an immutable string.No random tests.
The description doesn't mention that the right bound is exclusive.