code: def load_pandas():
      """
      Load the China smoking/lung cancer data and return a Dataset class.
  
      Returns
      -------
      Dataset
          See DATASET_PROPOSAL.txt for more information.
      """
      raw_data = du.load_csv(__file__, "china_smoking.csv")
      data = raw_data.set_index("Location")
      dset = du.Dataset(
          data=data, title="Smoking and lung cancer in Chinese regions"
      )
      dset.raw_data = raw_data
      return dset
  
label_desc: Use image node_id 1 for calling a global function with example usage: load_pandas() and returns: dset