code: def _app_ctx_id() -> int:
      """Get the id of the current Flask application context for the session scope."""
      return id(app_ctx._get_current_object())
  
file_path: flask-sqlalchemy/src/flask_sqlalchemy/session.py
imports: from __future__ import annotations
  import typing
  import sqlalchemy
  import sqlalchemy.exc
  import sqlalchemy.orm
  from flask.globals import app_ctx
label_desc: Use image node_id 2 for calling a global function with example usage: _app_ctx_id() and returns: id