code: def main():
      create_db_and_tables()
      create_heroes()
  
file_path: sqlmodel/docs_src/tutorial/many_to_many/tutorial001.py
imports: from typing import List, Optional
  from sqlmodel import Field, Relationship, Session, SQLModel, create_engine
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types