{"id":"closest-value-self-contained-file","text":"The closest-binary-search-tree-value `solution.py` defines `TreeNode`, the solution, a level-order tree builder (`_build`), and a full `unittest` test suite in a single file.","truth_value":"IN","source":"entries/2026/06/06/closest-binary-search-tree-value-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"closest-value-self-contained-file","truth_value":"IN","reason":"premise"}]}}