Unfortunately unless you have purchased the music and own the actual songs in the playlist it would be impossible. This is due to the fact that you couldn’t install Spotify on a device that cannot connect to the internet and therefore couldn’t get your playlists. You also couldn’t export the songs or copy/paste them since they are DRM protected. Let me know if you’ve got anymore questions. Best of luck!
Nope. You have to have your music either in no-DRM MP3 or AAC; or Apple iTunes Music Store DRM only. No streaming music service allows you to download songs DRM-free.