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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 resource_not_found(function_name):
 """ Creates a Lambda Service ResourceNotFound Response Parameters function_name str Name of the function that was requested to invoke Returns ------- Flask.Response A response object representing the ResourceNotFound Error """

        exception_tuple = LambdaErrorResponses.ResourceNotFoundException

        return BaseLocalService.service_response(
            LambdaErrorResponses._construct_error_response_body(
                LambdaErrorResponses.USER_ERROR,
                "Function not found: arn:aws:lambda:us-west-2:012345678901:function:{}".format(function_name)
            ),
            LambdaErrorResponses._construct_headers(exception_tuple[0]),
            exception_tuple[1]
        )