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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 show_lbaas_l7rule(self, l7rule, l7policy, **_params):
 """Fetches information of a certain L7 policy's rule."""

        return self.get(self.lbaas_l7rule_path % (l7policy, l7rule),
                        params=_params)