code: def now_utc() -> datetime:
      return datetime.now(timezone.utc)
  
file_path: flask-sqlalchemy/examples/todo/app.py
imports: from datetime import datetime
  from datetime import timezone
  from flask import flash
  from flask import Flask
  from flask import redirect
  from flask import render_template
  from flask import request
  from flask import url_for
  from flask_sqlalchemy import SQLAlchemy
  from sqlalchemy.orm import DeclarativeBase
  from sqlalchemy.orm import Mapped, mapped_column
label_desc: Use image node_id 1 for calling a global function with example usage: now_utc() and returns: datetime