How to query parent entity from child entity in Google App Engine (Python) NDB/Datastore?

Question

My question is very fundamental, I want to know straight forward and right way to access attribute values of parent entity from a child in App Engine Python. For example I h

Answer 1

Use: image_instance.key.parent().get()

https://developers.google.com/appengine/docs/python/ndb/keyclass#Key_parent