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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 retrieve_dcnm_net_info(self, tenant_id, direc):
 """Retrieves the DCNM network info for a tenant. """

        serv_obj = self.get_service_obj(tenant_id)
        net_dict = serv_obj.get_dcnm_net_dict(direc)
        return net_dict