code: def init_db():
      db.drop_all()
      db.create_all()
  
file_path: flask-sqlalchemy/examples/flaskr/flaskr/__init__.py
imports: import os
  import click
  from flask import Flask
  from flask.cli import with_appcontext
  from flask_sqlalchemy import SQLAlchemy
  from sqlalchemy.orm import DeclarativeBase
label_desc: Use image node_id 2 for calling a global function with example usage: init_db() without return types