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One of the conditions of the task is to not mutate nodes, so I think you can't apply your solution
It's just a good practice, so kata creators just forget to note it.
@kontic I got your point, added slice before reverse and it passed all tests. But where it is mentioned that function should be pure?
Not an 'ISSUE'. You changed input array with 'reverse' functions. That is not permitted in this case.
Yeah i normal get the same issues in other challenges
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