docs: def select(table, index_track, field_name, op, value, includeMissing):
      '''Modifies the table and index_track lists based on the comparison.
      '''
      result = []
      result_index = []
      counter = 0
      for row in table:
          if detect_fields(field_name, convert_to_dict(row)):
              final_value = get_value(row, field_name)
              if do_op(final_value, op, value):
                  result.append(row)
                  result_index.append(index_track[counter])
          else:
              if includeMissing:
                  result.append(row)
                  result_index.append(index_track[counter])
          counter += 1
      #table = result
      #index_track = result_index
      return (result, result_index)