code: def show_perf_attrib_stats(returns,
                             positions,
                             factor_returns,
                             factor_loadings,
                             transactions=None,
                             pos_in_dollars=True):
      
      risk_exposures, perf_attrib_data = perf_attrib(
          returns,
          positions,
          factor_returns,
          factor_loadings,
          transactions,
          pos_in_dollars=pos_in_dollars,
      )
  
      perf_attrib_stats, risk_exposure_stats =\
          create_perf_attrib_stats(perf_attrib_data, risk_exposures)
  
      percentage_formatter = '{:.2%}'.format
      float_formatter = '{:.2f}'.format
  
      summary_stats = perf_attrib_stats.loc[['Annualized Specific Return',
                                             'Annualized Common Return',
                                             'Annualized Total Return',
                                             'Specific Sharpe Ratio']]
  
      # Format return rows in summary stats table as percentages.
      for col_name in (
          'Annualized Specific Return',
          'Annualized Common Return',
          'Annualized Total Return',
      ):
          summary_stats[col_name] = percentage_formatter(summary_stats[col_name])
  
      # Display sharpe to two decimal places.
      summary_stats['Specific Sharpe Ratio'] = float_formatter(
          summary_stats['Specific Sharpe Ratio']
      )
  
      print_table(summary_stats, name='Summary Statistics')
  
      print_table(
          risk_exposure_stats,
          name='Exposures Summary',
          # In exposures table, format exposure column to 2 decimal places, and
          # return columns  as percentages.
          formatters={
              'Average Risk Factor Exposure': float_formatter,
              'Annualized Return': percentage_formatter,
              'Cumulative Return': percentage_formatter,
          },
      )
docs: Calls `perf_attrib` using inputs, and displays outputs using
      `utils.print_table`.