code: def get_metrics(self):
          
          if(self.sloc == 0):
              if(self.comments == 0):
                  ratio_comment_to_code = 0.00
              else:
                  ratio_comment_to_code = 1.00
          else:
              ratio_comment_to_code = float(self.comments) / self.sloc
          metrics = OrderedDict([('sloc', self.sloc), ('comments', self.comments),
                                 ('ratio_comment_to_code', round(ratio_comment_to_code, 2))])
          return metrics
docs: Calculate ratio_comment_to_code and return with the other values