text: import os
  import sys
  import importlib
  
  
  class SettingLoader:
      def __init__(self, setting_file_path, **enviroment_variables):
          self.setting_file_path = setting_file_path
          self.enviroment_variables = enviroment_variables
  
      def __enter__(self):
          for variable_name in self.enviroment_variables:
              os.environ[variable_name] = self.enviroment_variables[variable_name]
  
          self.loaded_setting = importlib.import_module(self.setting_file_path)
          return self.loaded_setting
      
      def __exit__(self, exc_type, exc_value, tb):
          for variable_name in self.enviroment_variables:
              del os.environ[variable_name]
  
          modules_to_unload = []
          for module in sys.modules:
              if module.startswith(self.setting_file_path):
                  modules_to_unload.append(module)
  
          for module in modules_to_unload:
              del sys.modules[module]
  