{"id":"solutions-use-no-external-dependencies","text":"Solution files use only Python builtins and standard library modules (e.g., `unittest`, `typing`); no third-party packages are imported.","truth_value":"IN","source":"entries/2026/06/06/1-bit-and-2-bit-characters-solution.md, entries/2026/06/06/add-digits-solution.md, entries/2026/06/06/add-strings-solution.md, entries/2026/06/06/add-to-array-form-of-integer-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"solutions-use-no-external-dependencies","truth_value":"IN","reason":"premise"}]}}