code: def simple_tpl_from_pars(parnames, tplfilename='model.input.tpl'):
      
      with open(tplfilename, 'w') as ofp:
          ofp.write('ptf ~\n')
          [ofp.write('~{0:^12}~\n'.format(cname)) for cname in parnames]
docs: Make a template file just assuming a list of parameter names the values of which should be
      listed in order in a model input file
      Args:
          parnames: list of names from which to make a template file
          tplfilename: filename for TPL file (default: model.input.tpl)
  
      Returns:
          writes a file <tplfilename> with each parameter name on a line