{"id":"solution-and-tests-colocated","text":"Every problem directory's `solution.py` contains both the `Solution` class and a `unittest.TestCase` subclass, runnable via `python -m unittest` or `if __name__ == \"__main__\"`","truth_value":"IN","source":"entries/2026/06/06/check-if-numbers-are-ascending-in-a-sentence-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"solution-and-tests-colocated","truth_value":"IN","reason":"premise"}]}}