def set_cors_rules(self, table_service):
        cors_rule = CorsRule(
            allowed_origins=['*'], 
            allowed_methods=['POST', 'GET'],
            allowed_headers=['*'],
            exposed_headers=['*'],
            max_age_in_seconds=3600)
        
        print('1. Get Cors Rules')
        original_cors_rules = table_service.get_table_service_properties().cors

        try:        
            print('2. Overwrite Cors Rules')
            table_service.set_table_service_properties(cors=[cors_rule])

        finally:
            #reverting cors rules back to the original ones
            print('3. Revert Cors Rules back the original ones')
            table_service.set_table_service_properties(cors=original_cors_rules)
        
        print("CORS sample completed")