from models import Puppy, Owner, Toy, db rufus = Puppy('Rufus') fido = Puppy('Fido') db.session.add_all([rufus, fido]) db.session.commit() print(Puppy.query.all()) print(Puppy.query.filter_by(name='Rufus').first()) jose = Owner('Jose', rufus.id) toy1 = Toy('Chew-Toy', rufus.id) toy2 = Toy('Ball', rufus.id) db.session.add_all([jose, toy1, toy2]) rufus = Puppy.query.filter_by(name='Rufus').first() print(rufus) rufus.my_toys()