code: def to_table(self, sort_key="wall_time", stop=None):
          
          table = [list(AbinitTimerSection.FIELDS), ]
          ord_sections = self.order_sections(sort_key)
  
          if stop is not None:
              ord_sections = ord_sections[:stop]
  
          for osect in ord_sections:
              row = [str(item) for item in osect.to_tuple()]
              table.append(row)
  
          return table
docs: Return a table (list of lists) with timer data