'Describes one or more of your clusters.
:type clusters: list
:param clusters: A space-separated list of cluster names or full
cluster Amazon Resource Name (ARN) entries. If you do not specify a
cluster, the default cluster is assumed.'

def describe_clusters(self, clusters=None):

    params = {}
    if (clusters is not None):
        self.build_list_params(params, clusters, 'clusters.member')
    return self._make_request(action='DescribeClusters', verb='POST', path='/', params=params)
