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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 plasma_prefetch(object_id):
 """Tells plasma to prefetch the given object_id."""

    local_sched_client = ray.worker.global_worker.raylet_client
    ray_obj_id = ray.ObjectID(object_id)
    local_sched_client.fetch_or_reconstruct([ray_obj_id], True)