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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 base_url(self, value):
 """Set the Base URI value. :param value: the new URI to use for the Base URI """

        logger.debug('StackInABoxService ({0}:{1}) Updating Base URL '
                     'from {2} to {3}'
                     .format(self.__id,
                             self.name,
                             self.__base_url,
                             value))
        self.__base_url = value
        for k, v in six.iteritems(self.routes):
            v['regex'] = StackInABoxService.get_service_regex(
                value,
                v['uri'],
                v['handlers'].is_subservice)