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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 _get_task_id(source):
 """Return the task id associated to the generic source of the signal. Args: source: source of the signal, it can be either an object id returned by a task, a task id, or an actor handle. Returns: - If source is an object id, return id of task which creted object. - If source is an actor handle, return id of actor's task creator. - If source is a task id, return same task id. """

    if type(source) is ray.actor.ActorHandle:
        return source._ray_actor_id
    else:
        if type(source) is ray.TaskID:
            return source
        else:
            return ray._raylet.compute_task_id(source)