How to use the simgrid.Actor.kill_all function in simgrid

this_actor.sleep_for(1)

    # that's a no-op, there is no zombies in SimGrid
    this_actor.info("Kill victim B, even if it's already dead")
    victim_b.kill()

    this_actor.sleep_for(1)

    this_actor.info("Start a new actor, and kill it right away")
    victim_c = Actor.create("victim C", Host.by_name("Jupiter"), victim_a_fun)
    victim_c.kill()

    this_actor.sleep_for(1)

    this_actor.info("Killing everybody but myself")
    Actor.kill_all()

    this_actor.info("OK, goodbye now. I commit a suicide.")
    this_actor.exit()

    this_actor.info(
        "This line never gets displayed: I'm already dead since the previous line.")