code: def declare_output_files():
  
      
  
      #Exclude these files from being generated by the simulations
      components_remove = [#['radius', '.rad'],
                           #['continuum', '.cont'],
                           #['physical conditions', '.phy'],
                           ['overview', '.ovr'],
                           ['heating', '.heat'],
                           ['cooling', '.cool'],
                           ['optical depth', '.opd']]
      for item in components_remove:
          pc.config.SAVE_LIST.remove(item)
  
      #Exclude these elements files from being generated by the simulations
      elements_remove = [#['hydrogen','.ele_H'],
                         #['helium','.ele_He'],
                         ['carbon', '.ele_C'],
                         ['nitrogen', '.ele_N'],
                         ['oxygen', '.ele_O'],
                         ['argon', '.ele_Ar'],
                         ['neon', '.ele_Ne'],
                         ['sulphur', '.ele_S'],
                         ['chlorin', '.ele_Cl'],
                         ['iron', '.ele_Fe'],
                         ['silicon', '.ele_Si']]
      for item in elements_remove:
          pc.config.SAVE_LIST_ELEMS.remove(item)
  
      return
docs: This method establishes the output files from pycloudy grids
      For these simulations in which we are only want to calculate the emissivities from the hydrogen and helium lines
      most of the default files from pycloudy outputs are not required
      :return: