code: def total_tokens(self) -> int:
      return (
          self.total_num_prompt_tokens
          + self.total_max_num_completion_tokens
      )
  
file_path: H2O/h2o_hf/helm/scripts/estimate_cost.py
imports: import argparse
  import json
  import os
  from collections import defaultdict
  from dataclasses import dataclass
  from typing import Dict
label_desc: Use image node_id 1 for calling the ModelCost obj's underlying member method code with example usage: obj.total_tokens() and returns: unknown