docs: def generate_semantic_data_key(used_semantic_keys):
      """ Create a new and unique semantic data key
  
      :param list used_semantic_keys: Handed list of keys already in use
      :rtype: str
      :return: semantic_data_id
      """
      semantic_data_id_counter = -1
      while True:
          semantic_data_id_counter += 1
          if "semantic data key " + str(semantic_data_id_counter) not in used_semantic_keys:
              break
      return "semantic data key " + str(semantic_data_id_counter)