code: def create_db_and_tables():
      SQLModel.metadata.create_all(engine)
  
imports: from typing import Optional
  from fastapi import Depends, FastAPI, HTTPException, Query
  from sqlmodel import Field, Relationship, Session, SQLModel, create_engine, select
label_desc: Use image node_id 1 for calling a global function with example usage: create_db_and_tables() without return types