def print_usage(self):
        print 'Total Usage: %f compute seconds' % self.box_usage
        cost = self.box_usage * 0.14
        print 'Approximate Cost: $%f' % cost
Alters flag dispositions for messages in mailbox.
dataset/ETHPy150Open darcyliu/storyboard/boto/sdb/connection.py/SDBConnection.print_usage--crossover with--dataset/ETHPy150Open azoft-dev-team/imagrium/env/Lib/imaplib.py/IMAP4.store