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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.
Its the test cases. You probably didnt returned anything from the function.
Are you changing the initial input?
Im getting this same error message. "return.replace is not a function"
I havent used anything called .replace so I dont think this is in my code.
I really like this Kata though, its got my brain going! I just cant seem to move past where Im at because I like to test as I go and it wont let me do anything past this due to this error message.
It's saying you're trying to use "replace" on an undefined variable. Look for where you're trying to use "replace," and make sure that you've defined the variable above that line and within its scope.
lol. No random testcases =P
This comment is hidden because it contains spoiler information about the solution
The error is most likely in your code; it is just that you cannot see it as it is called by the "hidden" testing suite I wrote.