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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 set_nodes_vlan(site, nodes, interface, vlan_id):
 """Set the interface of the nodes in a specific vlan. It is assumed that the same interface name is available on the node. Args: site(str):
 site to consider nodes(list):
 nodes to consider interface(str):
 the network interface to put in the vlan vlan_id(str):
 the id of the vlan """

    def _to_network_address(host):
        """Translate a host to a network address
        e.g:
        paranoia-20.rennes.grid5000.fr -> paranoia-20-eth2.rennes.grid5000.fr
        """
        splitted = host.split('.')
        splitted[0] = splitted[0] + "-" + interface
        return ".".join(splitted)

    gk = get_api_client()
    network_addresses = [_to_network_address(n) for n in nodes]
    gk.sites[site].vlans[str(vlan_id)].submit({"nodes": network_addresses})