text: import pickle
  import pandas as pd
  
  # read in the fMRI file
  fmri_df = pd.read_csv(___)
  
  # split into two DataFrames according to the region
  frmi = {
      "parietal": ___,
      "frontal": ___
  }
  
  # write the resulting dictionary as pickle file
  with open(file="frmi_dict.pickle", mode="wb") as ___:
      pickle.dump(obj=___, file=___)
  
  # read in pickle file
  with open(file=___, mode=___) as ___:
      output = pickle.load(file=___)
  
  # print out the keys of the loaded dictionary
  display(output['parietal'].head())
  display(output['frontal'].head())
  