{"id":"typing-list-used-for-compatibility","text":"Solutions consistently use `typing.List` for type annotations rather than the built-in `list[str]` syntax available in Python 3.9+, maintaining backward compatibility across the repo.","truth_value":"IN","source":"entries/2026/06/06/number-of-strings-that-appear-as-substrings-in-word-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"typing-list-used-for-compatibility","truth_value":"IN","reason":"premise"}]}}