response = client.list_clusters(
    CreatedAfter=datetime(2015, 1, 1),
    CreatedBefore=datetime(2015, 1, 1),
    ClusterStates=[
        'STARTING'|'BOOTSTRAPPING'|'RUNNING'|'WAITING'|'TERMINATING'|'TERMINATED'|'TERMINATED_WITH_ERRORS',
    ],
    Marker='string'
)