code: def get_installed_targets():
          
          try:
              cache = cmsis_pack_manager.Cache(True, True)
              results = []
              for pack in ManagedPacks.get_installed_packs(cache=cache):
                  pack_path = os.path.join(cache.data_path, pack.get_pack_name())
                  pack = CmsisPack(pack_path)
                  results += list(pack.devices)
              return sorted(results, key=lambda dev:dev.part_number)
          except FileNotFoundError:
              # cmsis-pack-manager can raise this exception if the cache is empty.
              pass
docs: ! @brief Return a list of CmsisPackDevice objects for installed pack targets.