code: def delete(id):
      """Delete a post.
  
      Ensures that the post exists and that the logged in user is the
      author of the post.
      """
      post = get_post(id)
      db.session.delete(post)
      db.session.commit()
      return redirect(url_for("blog.index"))
  
file_path: flask-sqlalchemy/examples/flaskr/flaskr/blog/views.py
imports: from flask import Blueprint
  from flask import flash
  from flask import g
  from flask import redirect
  from flask import render_template
  from flask import request
  from flask import url_for
  from werkzeug.exceptions import abort
  from flaskr import db
  from flaskr.auth.views import login_required
  from flaskr.blog.models import Post
label_desc: Use image node_id 5 for calling a global function with example usage: delete(id) and returns: redirect