如何通过spotify web api获取用户的播放列表列表？

I'm working on a project and I would like to get a list of all the playlists of the logged in user on spotify. Currently I can loggin and see user info (by following the demo on spotify). Now I want to get the playlists of the user that is logged in and that is where I'm stuck.I'm working on a project and I would like to ge