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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def execute(self, env, args):
 """ Displays task time left in minutes. `env` Runtime ``Environment`` instance. `args` Arguments object from arg parser. """


        msg = u'Time Left: {0}m' if not args.short else '{0}'
        mins = max(0, self.total_duration - env.task.duration)
        env.io.write(msg.format(mins))