code: def __init__(self, method=None, lr_params=None, iters=0):
      self.method = method
      self.lr_params = lr_params
      self.iters = iters
      self.lr_scheduler = None
  
imports: import logging
  import numpy
  import torch
label_desc: Use image node_id 1 to create a new LRScheduler object  with example: obj = LRScheduler(method, lr_params, iters)