new_contents: from flask import Flask 
  from flask_sqlalchemy import SQLAlchemy
  
  import os
  
  
  # set up basic app 
  app = Flask(__name__)
  
  app.config['SQLALCHEMY_DATABASE_URI'] = os.environ['FLASKDB']
  app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
  
  db = SQLAlchemy(app)
  
  
  
subject: Add config file