code: def format_example(self, line):
      example = line["question"] + "\n\n"
      for choice in self.choices:
          example += f'{choice}. {line[f"{choice}"]}\n'
      return example
  
file_path: BigDL/python/llm/dev/benchmark/ceval/evaluators/qwen.py
imports: import re
  from tqdm import tqdm
  import torch
  from thefuzz import process
  from transformers import AutoTokenizer
  from transformers.generation import GenerationConfig
  from bigdl.llm.transformers import AutoModelForCausalLM
  from evaluators.evaluator import Evaluator
label_desc: Use image node_id 5 for calling the QwenEvaluator obj's underlying member method code with example usage: obj.format_example(line) and returns: example