code: def get_current_cost(self, user):
      return self.user_dict[user].get("current_cost", 0)
  
imports: import os, json, time
  import litellm
  from litellm.utils import ModelResponse
  import requests, threading
  from typing import Optional, Union, Literal
label_desc: Use image node_id 8 for calling the BudgetManager obj's underlying member method code with example usage: obj.get_current_cost(user) and returns: self