code: def __init__(self, dataset_name, metafeature_values):
      self.dataset_name = dataset_name
      self.metafeature_values = metafeature_values
  
imports: from abc import ABCMeta, abstractmethod
  import time
  from io import StringIO
  import arff
  import scipy.sparse
label_desc: Use image node_id 1 to create a new DatasetMetafeatures object from inherited base classes: object with example: obj = DatasetMetafeatures(dataset_name, metafeature_values)