code: def _three_time(x: int) -> int:
      return 3 * x
  
imports: import contextlib
  import pickle
  import subprocess
  import sys
  import time
  import typing
  from pathlib import Path
  from unittest.mock import patch
  import pytest
  from .None import core, submission, utils
label_desc: Use image node_id 1 for calling a global function with example usage: _three_time(x) and returns: unknown