code: def __init__(self):
      self.history = []
  
file_path: opacus/opacus/accountants/accountant.py
imports: import abc
  from collections import OrderedDict
  from copy import deepcopy
  from typing import Any, Callable, Mapping, TypeVar
  from opacus.optimizers import DPOptimizer
label_desc: Use image node_id 1 to create a new IAccountant object from inherited base classes: abc with example: obj = IAccountant()