This is a sample app for Google App Engine that demonstrates the NDB Transactions Python API

This app presents a list of notes. After you submit a note with a particular title, you may not change that note or submit a new note with the same title. There are multiple note pages available.

These samples are used on the following documentation page:

https://cloud.google.com/appengine/docs/python/ndb/transactions

Refer to the App Engine Samples README for information on how to run and deploy this sample.