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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 store_job(self):
        '''
        Helper that allows us to turn off storing jobs for different classes
        that may incorporate this mixin.
        '''
        try:
            class_name = self.__class__.__name__.lower()
        except AttributeError:
            log.warning(
                'Unable to determine class name',
                exc_info_on_loglevel=logging.DEBUG
            )
            return True

        try:
            return self.opts['{0}_returns'.format(class_name)]
        except KeyError:
            # No such option, assume this isn't one we care about gating and
            # just return True.
            return True