code: def media_list_new(self, mrls=None):
          
          l = libvlc_media_list_new(self)
          # We should take the lock, but since we did not leak the
          # reference, nobody else can access it.
          if mrls:
              for m in mrls:
                  l.add_media(m)
          l._instance = self
          return l
docs: Create a new MediaList instance.
          @param mrls: optional list of MRL strings