python
from mongoengine import *
class User(Document):
name = StringField(required=True)
email = EmailField(required=True)
age = IntField()
connect('mydatabase')
user = User(name='John Doe', email='johndoe@example.com', age=25)
user.save()
user = User.objects(name='John Doe').first()
user.age = 30
user.save()
user = User.objects(name='John Doe').first()
user.delete()
