<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def get_ethernet_networks(self):
 """ Gets a list of associated ethernet networks of an uplink set. Args: id_or_uri: Can be either the uplink set id or the uplink set uri. Returns: list: Associated ethernet networks. """

        network_uris = self.data.get('networkUris')
        networks = []
        if network_uris:
            for uri in network_uris:
                networks.append(self._ethernet_networks.get_by_uri(uri))
        return networks