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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 get_service_plan_for_service(self, service_name):
 """ Return the service plans available for a given service. """

        services = self.get_services()
        for service in services['resources']:
            if service['entity']['label'] == service_name:
                response = self.api.get(service['entity']['service_plans_url'])
                return response['resources']