code: def __load_file(self, key_list) -> str:
          
          file = str(key_list[0]) + self.extension
          key_list.pop(0)
          file_path = os.path.join(self.path, file)
          if os.path.exists(file_path):
              return Json.from_file(file_path)
          else:
              raise FileNotFoundError(file_path)
docs: Load a translator file