code: def fake_decode_token(token):
      # This doesn't provide any security at all
      # Check the next version
      user = get_user(fake_users_db, token)
      return user
  
file_path: fastapi/docs_src/security/tutorial003.py
imports: from typing import Union
  from fastapi import Depends, FastAPI, HTTPException, status
  from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
  from pydantic import BaseModel
label_desc: Use image node_id 3 for calling a global function with example usage: fake_decode_token(token) and returns: user