code: def storeRule(file: str, content: str) -> None:
      """
      Store a custom rule
      Args:
          file (str): target file
          content (str): content to store
      Returns:
          None
      """
      with open(file, "a+", encoding="UTF-8") as f:
          f.writelines(content)
          f.writelines("\n")
  
imports: import pathlib
  import os
  import sys
  from os import path
  from types import ModuleType
  import multiprocessing
  from typing import Optional, Union
  import numpy
  import pandas
  from chefboost import Chefboost
  from chefboost.commons.logger import Logger
  from chefboost.commons.module import load_module
label_desc: Use image node_id 6 for calling a global function with example usage: storeRule(file, content) without return types