alexa skill development using python tutorial

1171sb = SkillBuilder()
2172
3173sb.add_request_handler(LaunchRequestHandler())
4174sb.add_request_handler(JokeIntentHandler())
5175sb.add_request_handler(HelloWorldIntentHandler())
6176sb.add_request_handler(HelpIntentHandler())
7177sb.add_request_handler(CancelOrStopIntentHandler())
8178sb.add_request_handler(SessionEndedRequestHandler())
9179
10180# Make sure IntentReflectorHandler is last so it
11181# Doesn't override your custom intent handlers
12182sb.add_request_handler(IntentReflectorHandler())
13183
14184sb.add_exception_handler(CatchAllExceptionHandler())
15185
16186...
17