{"id":"vowel-set-module-level","text":"The `VOWELS` set in `count-the-number-of-vowel-strings-in-range/solution.py` is allocated once at module load, not per method call, paired with a module-level `is_vowel` helper outside the `Solution` class","truth_value":"IN","source":"entries/2026/06/06/count-the-number-of-vowel-strings-in-range-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"vowel-set-module-level","truth_value":"IN","reason":"premise"}]}}