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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 _get_net_io_counters(self):
 """ Fetch io counters from psutil and transform it to dicts with the additional attributes defaulted """

        counters = psutil.net_io_counters(pernic=self.pernic)

        res = {}
        for name, io in counters.iteritems():
            res[name] = io._asdict()
            res[name].update({'tx_per_sec': 0, 'rx_per_sec': 0})

        return res