code: def get_realsim(num_rows=None):
      filename = os.path.join(BASE_DATASET_DIR, "real-sim.bz2")
      plk_filename = filename + ".plk"
      X, y = convert_to_plk(
          filename, plk_filename, data_url=get_realsim_url
      )
  
      return X.toarray(), y
  
imports: import os
  import sys
  import pandas
  from sklearn import datasets
  import pickle
  import numpy
label_desc: Use image node_id 7 for calling a global function with example usage: get_realsim(num_rows) and returns: X,  y