# -*- coding: utf-8 -*-import loggingHELLO_WORLD = b'Hello world2222!\n'# if you open the initializer feature, please implement the initializer function, as below:# def initializer(context):# logger = logging.getLogger() # logger.info('initializing')def handler(environ, start_response): context = environ['fc.context'] request_uri = environ['fc.request_uri'] for k, v in environ.items(): if k.startswith('HTTP_'): # process custom request headers pass # do something here status = '200 OK' response_headers = [('Content-type', 'text/plain')] start_response(status, response_headers) return [HELLO_WORLD]