def quit(self):
        """
        Quit

        Terminates manipulations in the block world. 
        """
        # Print the output
        stacks = self.stacks
        for i in range(stacks.blockCount):
            lst = ' '.join([str(bl.initialPosition) for bl in stacks[i]])
            print '%2d: %s' % (i, lst)

        Quit

        Terminates manipulations in the block world. 
        
recipes/Python/361168_Vpython_example/recipe-361168.py