code: def read_scen_file(
      filepath,
      columns={
          "model": ["unspecified"],
          "scenario": ["unspecified"],
          "climate_model": ["unspecified"],
      },
      **kwargs
  ):
      
      mdata = MAGICCData(filepath, columns=columns, **kwargs)
  
      return mdata
docs: Read a MAGICC .SCEN file.
  
      Parameters
      ----------
      filepath : str
          Filepath of the .SCEN file to read
  
      columns : dict
          Passed to ``__init__`` method of MAGICCData. See
          ``MAGICCData.__init__`` for details.
  
      kwargs
          Passed to ``__init__`` method of MAGICCData. See
          ``MAGICCData.__init__`` for details.
  
      Returns
      -------
      :obj:`pymagicc.io.MAGICCData`
          ``MAGICCData`` object containing the data and metadata.