the delete-me.txt file is not in the code folder on the tutorial.

[Anon1958]

Click the code folder in the top level of the project. You should see:
The tutorial_app folder. It has the code for this app.
The example-file.txt file.
The delete-me.txt file.

http://localhost:10000/projects/nvidia-ai-workbench-onboarding/applications/Tutorial/basic_01