code: def get_cards(ctx):
      
  
      appid = ctx.obj['appid']
      app = Application(appid)
  
      click.secho('Cards for `%s` [appid: %s]' % (app.title, appid), fg='green')
  
      if not app.has_cards:
          click.secho('This app has no cards.', fg='red', err=True)
          return
  
      cards, booster = app.get_cards()
  
      def get_line(card):
          return '%s [market hash: `%s`]' % (card.title, card.market_hash)
  
      for card in cards.values():
          click.echo(get_line(card))
  
      if booster:
          click.secho('* Booster pack: `%s`' % get_line(booster), fg='yellow')
  
      click.secho('* Total cards: %d' % len(cards), fg='green')
docs: Prints out cards available for application.