'Return the list of networks.
:return: A list of network objects.
:rtype: ``list`` of :class:`GCENetwork`'

def ex_list_networks(self):

    list_networks = []
    request = '/global/networks'
    response = self.connection.request(request, method='GET').object
    list_networks = [self._to_network(n) for n in response.get('items', [])]
    return list_networks
