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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 _state_error(self, reason):
 """ The connection attempt resulted in an error. Attempt a reconnect with a back-off algorithm. """

        log.err(reason)

        def matchException(failure):
            for errorState, backOff in self.backOffs.iteritems():
                if 'errorTypes' not in backOff:
                    continue
                if failure.check(*backOff['errorTypes']):
                    return errorState

            return 'other'

        errorState = matchException(reason)
        self._reconnect(errorState)