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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 delete_rule(self, rule_id):
 """Delete the specific Rule from dictionary indexed by rule id. """

        if rule_id not in self.rules:
            LOG.error("No Rule id present for deleting %s", rule_id)
            return
        del self.rules[rule_id]
        self.rule_cnt -= 1