- msg = 'available commands:\n'
- msg += 'HELP – show this help\n'
- msg += 'PLAY – toggle playback on/off\n'
- msg += 'REWIND – return to start of playlist\n'
- msg += 'LIST – list programmed songs, durations\n'
- msg += 'SKIP – to skip to next song\n'
- msg += 'REPEAT – toggle playlist repeat on/off\n'
- msg += 'ADD LENGTH SONG – add SONG to playlist, with LENGTH in format "minutes:seconds", i.e. something like "0:47" or "11:02"'
- return msg
+ msg_lines += ['available commands:']
+ msg_lines += ['HELP – show this help']
+ msg_lines += ['PLAY – toggle playback on/off']
+ msg_lines += ['REWIND – return to start of playlist']
+ msg_lines += ['LIST – list programmed songs, durations']
+ msg_lines += ['SKIP – to skip to next song']
+ msg_lines += ['REPEAT – toggle playlist repeat on/off']
+ msg_lines += ['ADD LENGTH SONG – add SONG to playlist, with LENGTH in format "minutes:seconds", i.e. something like "0:47" or "11:02"']
+ return msg_lines