code: def create_mol() -> tuple[Atoms, float]:
      calculator = EMT()
      mol = molecule("CO")
      mol.calc = calculator
      E_mol = get_opt_energy(mol, fmax=1e-4)
      return mol, E_mol
  
imports: from __future__ import annotations
  import io
  import logging
  import os
  import sys
  import uuid
  from ase import Atoms
  from ase.build import bulk, fcc111, molecule, add_adsorbate
  from ase.calculators.emt import EMT
  from ase.io import write, read
  from ase.optimize import LBFGS
  import numpy
  from optuna.artifacts import FileSystemArtifactStore
  from optuna.artifacts import upload_artifact
  from optuna.logging import get_logger
  from optuna import create_study
  from optuna import Trial
label_desc: Use image node_id 3 for calling a global function with example usage: create_mol() and returns: mol,  E_mol