You can create a SageMaker Notebook in two ways (choose one of the two):
Access the AWS Management Console

Select Notebooks

Enter the notebook name as notebook

Wait for about 2-3 minutes, and the notebook will be created.

Run the first code block to initialize the Session

First, download the notebook file from First Cloud Journey.

You have completed initializing an Interactive Session.

Access AWS Glue Studio

In the Jobs interface

Finish creating the Notebook.

Complete initializing the session.

After that, run the code.