def _get_deleted_exploration_change_list(exploration_id):
 return [{'cmd': collection_domain.CMD_DELETE_COLLECTION_NODE, 'exploration_id': exploration_id}]

def _get_deleted_exploration_change_list ( exploration_id ) : return [ { 'cmd' : collection_domain . CMD_DELETE_COLLECTION_NODE , 'exploration_id' : exploration_id } ]
generates a change list for deleting an exploration from a collection .