code: def __init__(
      self, optimizer: Optimizer, milestones: List[int], gamma=0.1
  ):
      super().__init__(optimizer)
      self.milestones = milestones
      self.gamma = gamma
  
imports: import math
  from typing import List
  from tinygrad.nn.optim import Optimizer
  from tinygrad.tensor import Tensor
label_desc: Use image node_id 1 to create a new MultiStepLR object from inherited base classes: LR_Scheduler with example: obj = MultiStepLR(optimizer, milestones, gamma)