{"id":"reverse-str-ii-pure-function","text":"`reverseStr` returns a new string and does not mutate its input; it works on a `list(s)` copy internally and joins the result.","truth_value":"IN","source":"entries/2026/06/06/reverse-string-ii-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"reverse-str-ii-pure-function","truth_value":"IN","reason":"premise"}]}}