4주차 flask localhost 서버를 만드는데 코드 복붙후 실행 했더니

Address already in use

Port 5000 is in use by another program. Either identify and stop that program, or start the server with a different port.

On macOS, try disabling the 'AirPlay Receiver' service from System Preferences -> Sharing.

Process finished with exit code 1

이렇게 뜨면서 안나오는데 어떻게 해야하나요??