4-12 뼈대 만들기 복사 붙여넣기 해서 app.py 실행을하면 (warning:~하면서) localhost:5000이 오류가 납니다

작성한 코드 및 에러 메세지

C:\Users\택\Desktop\sparta\projects\movie\venv\Scripts\python.exe C:\Users\택\Desktop\sparta\projects\movie\app.py 

 * Serving Flask app 'app'

 * Debug mode: on

WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.

 * Running on all addresses (0.0.0.0)

 * Running on http://127.0.0.1:5000

 * Running on http://192.168.55.61:5000

Press CTRL+C to quit

 * Restarting with stat

 * Debugger is active!

 * Debugger PIN: 811-843-904