from bungeni.alchemist import Session # Create a session connection session = Session()Example 2: Retrieving data from the database ``` from bungeni.alchemist import Session from bungeni.alchemist.models import Doc # Create a session connection session = Session() # Retrieve a document by ID doc = session.query(Doc).filter_by(id=1).one() # Print document details print(doc.name) print(doc.date_created) ``` In this example, we use the `query()` method to retrieve a document by its ID from the `Doc` model. We then print the document's name and date created. The package library for `bungeni.alchemist` is SQLAlchemy, which is a popular open-source SQL toolkit and Object-Relational Mapping (ORM) library for Python.