def thisjustin(command=None, username=None):
 user = (username if username else 'Dave')
 if (command == 'open the pod bay doors'):
  print ("I'm sorry, %s. afraid I can't do that." % user)
 elif (command == 'sing a song'):
  print "Daisy, Daisy, give me your answer do. I'm half                crazy all for the love of you. It won't be a stylish                marriage, I can't afford a carriage. But you'll look sweet                upon the seat of a bicycle built for two."
 elif (command == 'do you read me?'):
  print ('Affirmative, %s. I read you.' % user)
 elif (command is None):
  print ("Just what do you think you're doing, %s?" % user)

def thisjustin ( command = None , username = None ) : user = ( username if username else 'Dave' ) if ( command == 'open the pod bay doors' ) : print ( "I'm sorry, %s. afraid I can't do that." % user ) elif ( command == 'sing a song' ) : print "Daisy, Daisy, give me your answer do. I'm half                crazy all for the love of you. It won't be a stylish                marriage, I can't afford a carriage. But you'll look sweet                upon the seat of a bicycle built for two." elif ( command == 'do you read me?' ) : print ( 'Affirmative, %s. I read you.' % user ) elif ( command is None ) : print ( "Just what do you think you're doing, %s?" % user )
responds to a few choice hal 9000 commands form 2001: a space odyssey .