class_docstr: Reorder operation for item sequence.
class_docstr_tok: ["Reorder","operation","for","item","sequence","."]
code: def __init__(self, config):
      self.ITEM_SEQ = config["ITEM_ID_FIELD"] + config["LIST_SUFFIX"]
      self.REORDER_ITEM_SEQ = "Reorder_" + self.ITEM_SEQ
      self.ITEM_SEQ_LEN = config["ITEM_LIST_LENGTH_FIELD"]
      self.reorder_beta = config["beta"]
      config["REORDER_ITEM_SEQ"] = self.REORDER_ITEM_SEQ
  
imports: import math
  import numpy
  import random
  import torch
  from copy import deepcopy
  from recbole.data.interaction import Interaction, cat_interactions
label_desc: Use image node_id 1 to create a new ReorderItemSequence object  with example: obj = ReorderItemSequence(config)