code: def char_token_ratio(example):
      """Compute character/token ratio of the file with tokenizer."""
      input_ids = tokenizer(example["content"], truncation=False)[
          "input_ids"
      ]
      ratio = len(example["content"]) / len(input_ids)
      return {"ratio": ratio}
  
imports: import gzip
  import hashlib
  import json
  import multiprocessing
  import os
  import re
  import shutil
  import time
  from pathlib import Path
  import numpy
  from datasets import load_dataset
  from arguments import PreprocessingArguments
  from minhash_deduplication import deduplicate_dataset
  from transformers import AutoTokenizer, HfArgumentParser
label_desc: Use image node_id 9 for calling a global function with example usage: char_token_ratio(example) and returns: dict