text: from sqlalchemy import create_engine
  from sqlalchemy.orm import scoped_session, sessionmaker
  from sqlalchemy.ext.declarative import declarative_base
  import os
  
  current_dir = os.path.dirname(__file__)
  
  engine = create_engine(f"sqlite:////{current_dir}/luckydraw.db", convert_unicode=True)
  db_session = scoped_session(
      sessionmaker(autocommit=False, autoflush=False, bind=engine)
  )
  Base = declarative_base()
  Base.query = db_session.query_property()
  
  
  def init_db():
      Base.metadata.create_all(bind=engine)
      print("We are connected database successfully")
  