{"id":"str-digit-extraction-idiom","text":"Digit-manipulation problems in this repo consistently use `str(n)` to iterate digits left-to-right rather than arithmetic extraction via `% 10` / `divmod`, which yields digits in reverse order.","truth_value":"IN","source":"entries/2026/06/06/alternating-digit-sum-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"str-digit-extraction-idiom","truth_value":"IN","reason":"premise"}]}}