| 1234567891011121314151617181920 | from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_columnclass Base(DeclarativeBase):    """Base for models."""class World(Base):    __tablename__ = 'world'    id: Mapped[int] = mapped_column(primary_key=True)    randomnumber: Mapped[int]sa_worlds = World.__table__class Fortune(Base):    __tablename__ = 'fortune'    id: Mapped[int] = mapped_column(primary_key=True)    message: Mapped[str]sa_fortunes = Fortune.__table__
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