how to output access key secret in python?

[erpadmin]

no problem creating/replacing IAM accesskey's

accesskeyTest = iam.CfnAccessKey(
    self,
    "IAMAccessKeyTest",
    status="Active",
    user_name=iamuserTest.ref,
    serial=2
)

I dont understand how to tell CDK to output the values to stdout. What would this typescript(?) below translate to in python?
new cdk.CfnOutput(this, 'accessKeyId', { value: accessKey.ref });
new cdk.CfnOutput(this, 'secretAccessKey', { value: accessKey.attrSecretAccessKey });

[erpadmin]

got it going

from aws_cdk import CfgOutput
then
CfnOutput(self, "keyoutTest", value=accesskeyTest.attr_secret_access_key)