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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 start_router(router_class, router_name):
 """Wrapper for starting a router and register it. Args: router_class: The router class to instantiate. router_name: The name to give to the router. Returns: A handle to newly started router actor. """

    handle = router_class.remote(router_name)
    ray.experimental.register_actor(router_name, handle)
    handle.start.remote()
    return handle