{"id":"self-contained-solution-test-files","text":"Each problem directory contains a single `solution.py` that co-locates the algorithm implementation and its `unittest` test class, runnable standalone or via a test runner — this is the repo-wide convention.","truth_value":"IN","source":"entries/2026/06/06/remove-palindromic-subsequences-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"self-contained-solution-test-files","truth_value":"IN","reason":"premise"}]}}