code: def create():
      """Create a new post for the current user."""
      if request.method == "POST":
          title = request.form["title"]
          body = request.form["body"]
          error = None
  
          if not title:
              error = "Title is required."
  
          if error is not None:
              flash(error)
          else:
              db.session.add(
                  Post(title=title, body=body, author=g.user)
              )
              db.session.commit()
              return redirect(url_for("blog.index"))
  
      return render_template("blog/create.html")
  
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 3 for calling a global function with example usage: create() and returns: render_template, redirect