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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:

def shared_options(rq):
    "Default class options to pass to the CLI commands."
    return {
        'url': rq.redis_url,
        'config': None,
        'worker_class': rq.worker_class,
        'job_class': rq.job_class,
        'queue_class': rq.queue_class,
        'connection_class': rq.connection_class,
    }