class NBAPlayer(object):
  """class for single NBA player object"""

  def __init__(self, name, team, gp=0, pts=0):
    """constructor for player object, given name, etc"""
    self.name = name
    self.team = team
    self.gp  = gp         # games played
    self.pts = pts        # total points scored

  def __str__(self):
    """
    create string with info about this object.
    if you print one of these objects, this is how it will look.
    """
    s = "%20s -- Team: %3s" % (self.name, self.team)
    s += "  GP: %3d,  PTS: %3d,  PPG: %4.1f" % (self.gp, self.pts, self.ppg())
    return s

  def playGame(self, points):
    """example of adding data to player object"""
    self.gp += 1
    self.pts += points

  def ppg(self):
    """calculate player's average points per game"""
    if self.gp == 0:
      return 0
    else:
      ave = self.pts/float(self.gp)
      return ave

class Cake(object):
    """cake class"""

    def __init__(self, flavor):
        """constructor for cake objects, given flavor"""
        self.flavor = flavor
        self.slices = 0
        self.sliced = False   # initially, cakes have not been sliced

    def __str__(self):
        """must RETURN A STRING!!!"""
        if self.sliced:
          s = "%s cake (slices left: %d)." % (self.flavor,self.slices)
        else:
          s = "%s cake (unsliced)." % (self.flavor)
        return s

    def slice(self, nslices):
        """cut the cake into nslices"""
        if self.sliced:
          print("You already sliced this cake!")
        elif nslices<1 or nslices>50:
          print("That's a crazy number of slices!")
        else:
          self.slices = nslices
          self.sliced = True

    def serve(self):
        """serve out one slice of cake"""
        if self.slices > 0:
            print("Here's your slice of %s cake!" % self.flavor)
            self.slices -= 1
        else:
            print("No %s cake left! :( " % self.flavor)

    def getFlavor(self):
        """getter for flavor data"""
        return self.flavor

    def getSlices(self):
        """getter for slice data"""
        return self.slices

  s = Song("A","B","4:30",10)
  print(s)
  s.play()
  print(s)
  print(s.getTitle())
  print(s.getArtist())
  print(s.getRTime())
  print(s.getPlays())
  print(s.getSeconds())

$ python3 song.py
A by B (4:30, 10)
playing A...by B
A by B (4:30, 11)
A
B
4:30
11
270

  p1 = Playlist("Best Playlist Ever")
  print(p1)
  s = Song("A","B","4:30",10)
  p1.add(s)
  p1.add(s)
  print(p1)

Playlist: Best Playlist Ever -- total running time: 0hr:0min:0sec
[shuffle=False, public=True]
No songs in this playlist...

Playlist: Best Playlist Ever -- total running time: 0hr:9min:0sec
[shuffle=False, public=True]
 1: A by B
 2: A by B

$ python3 swatify.py
add|show|play|quit
What do you want to do? show
Playlist: Jeff's Awesome Playlist -- total running time: 0hr:0min:0sec
[shuffle=False, public=True]
No songs in this playlist...

add|show|play|quit
What do you want to do? add
 1. The A Team by Ed Sheeran
 2. A.M. Radio by Everclear
 3. Almost Like Being In Love by Frank Sinatra
 4. Animal Song by Loudon Wainwright III
 5. Badlands by Bruce Springsteen
 6. Breakdown by Tom Petty & The Heartbreakers
 7. Do You Feel by The Rocket Summer
 8. Everyday Superhero by Smash Mouth
 9. Gonna Fly Now by Bill Conti
10. It's On by Superchick
11. Like a Rolling Stone by Bob Dylan
12. Message In A Bottle by The Police
13. Since U Been Gone by Kelly Clarkson
14. Sweet Caroline by Glee Cast
15. Take It Easy by Eagles
16. This Is The Life by Hannah Montana
17. Welcome To The Machine by Pink Floyd
18. You Get What You Give by New Radicals
Which song do you want to add? 5
add|show|play|quit
What do you want to do? add
 1. The A Team by Ed Sheeran
 2. A.M. Radio by Everclear
 3. Almost Like Being In Love by Frank Sinatra
 4. Animal Song by Loudon Wainwright III
 5. Badlands by Bruce Springsteen
 6. Breakdown by Tom Petty & The Heartbreakers
 7. Do You Feel by The Rocket Summer
 8. Everyday Superhero by Smash Mouth
 9. Gonna Fly Now by Bill Conti
10. It's On by Superchick
11. Like a Rolling Stone by Bob Dylan
12. Message In A Bottle by The Police
13. Since U Been Gone by Kelly Clarkson
14. Sweet Caroline by Glee Cast
15. Take It Easy by Eagles
16. This Is The Life by Hannah Montana
17. Welcome To The Machine by Pink Floyd
18. You Get What You Give by New Radicals
Which song do you want to add? 10
add|show|play|quit
What do you want to do? show
Playlist: Jeff's Awesome Playlist -- total running time: 0hr:7min:32sec
[shuffle=False, public=True]
 1: Badlands by Bruce Springsteen
 2: It's On by Superchick

add|show|play|quit
What do you want to do? play
playing Badlands...by Bruce Springsteen
playing It's On...by Superchick
add|show|play|quit
What do you want to do? quit
$