code: def Append(self, new_values):
          
          newrow = self.NewRow()
          newrow.values = new_values
          self._table.append(newrow)
docs: Adds a new row (list) to the table.
  
      Args:
        new_values: Tuple, dict, or Row() of new values to append as a row.
  
      Raises:
        TableError: Supplied tuple not equal to table width.