code: def reset_grads_by_group_id(self, group_id: int):
      self._grads_of_params[group_id] = dict()
  
file_path: ColossalAI/colossalai/zero/low_level/bookkeeping/gradient_store.py
imports: from typing import List
  from torch import Tensor
  from .base_store import BaseStore
label_desc: Use image node_id 7 for calling the GradientStore obj's underlying member method code with example usage: obj.reset_grads_by_group_id(group_id) without return types