Learn/Python/Python — Advanced/Concurrency & Parallelism/Checkpoint: Concurrency/run_jobs with observed retriesrun_jobs with observed retriesChallenge on lesson: Checkpoint: ConcurrencyInstructionsCodeOutputImplement run_jobs per the hardened spec. Every submitted future (initial and retry) must have its outcome recorded — lost futures fail the check.Difficulty: advancedSubmitPress Submit to check your solution.Back to lesson: Checkpoint: Concurrency