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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.
When my "solution" consists of nothing but
pass, and my example tests are all deleted, I getSetting a pep 263 coding in either input form doesn't seem to make a difference.
It would be nice if the instructions would indicate if it's OK to mutate the original list. The instructions say to return a list, so it seems kind of silly to also mutate it.
This will mutate the original list as well as returning it. This may be correct, but the instructions are not clear as to whether that's OK or not.
I created a fork with additional trivial test cases to guarantee at least some test when the walk is valid. https://www.codewars.com/kumite/5893893e1a880832e2000005?sel=58938b3dd160eec5e6000166