code: def _priority_key(pep8_result):
      priority = [
          'e701',
          'e702',
          'e225', 'e231',
          'e201',
          'e262'
      ]
      middle_index = 10000
      lowest_priority = [
          'e501'
      ]
      key = pep8_result['id'].lower()
      try:
          return priority.index(key)
      except ValueError:
          try:
              return middle_index + lowest_priority.index(key) + 1
          except ValueError:
              return middle_index