code: def init_from_storage_write_to_datastore(self):
      
      # Load submissions
      self._attacks = self._load_submissions_from_datastore_dir(
          ATTACK_SUBDIR, ATTACK_ID_PATTERN)
      self._targeted_attacks = self._load_submissions_from_datastore_dir(
          TARGETED_ATTACK_SUBDIR, TARGETED_ATTACK_ID_PATTERN)
      self._defenses = self._load_submissions_from_datastore_dir(
          DEFENSE_SUBDIR, DEFENSE_ID_PATTERN)
      self._write_to_datastore()
docs: Init list of sumibssions from Storage and saves them to Datastore.
  
      Should be called only once (typically by master) during evaluation of
      the competition.