lambda-get-creds.py

import boto3

def lambda_handler(event, context):
    session = boto3.Session()
    credentials = session.get_credentials().get_frozen_credentials()

    print("Access Key:", credentials.access_key)
    print("Secret Key:", credentials.secret_key)
    print("Session Token:", credentials.token)

    return {
        "AccessKey": credentials.access_key,
        "SecretKey": credentials.secret_key,
        "SessionToken": credentials.token
    }