code: def create_randomizer_with_offset(
      seed: int,
      process_group: ProcessGroup = None,
      offset_by_rank: bool = True,
      offset_by_index: bool = True,
  ):
      """
      Create a randomizer with an offset. The offset is equal to the rank of the process and the index of the randomizer.
  
      Args:
          seed (int): The base random seed to set.
          process_group (ProcessGroup): the process group to get the rank from.
          offset_by_rank (bool): whether to offset by the rank of the process, i.e., the rank of the process will be added to the seed. Default: True.
          offset_by_index (bool): whether to offset by the index of the randomizer, i.e., the index of the randomizer will be added to the seed. Default: True.
  
      Returns:
          Randomizer: the randomizer with offset.
      """
      base_seed = seed
  
      if offset_by_rank and dist.is_initialized():
          rank = dist.get_rank(process_group)
          base_seed += rank
  
      if offset_by_index:
          # check if the randomizer index is synchronized
          is_synchronized = Randomizer.is_randomizer_index_synchronized(
              process_group
          )
          assert is_synchronized, (
              "We detect that the randomizer index is not synchronized across processes."
              "This is not allowed when we want to create a randomizer with offset by index."
              "Please call Randomizer.synchronize_index() first."
          )
  
          base_seed += Randomizer.index()
          Randomizer.increment_index()
  
      return Randomizer(seed=base_seed)
  
imports: from contextlib import contextmanager
  from typing import List
  import torch
  import torch.distributed
  from torch import nn
  from torch._utils import _flatten_dense_tensors, _unflatten_dense_tensors
  from torch.distributed import ProcessGroup, get_world_size
  from colossalai.utils.device import get_current_device, get_rng_state, set_rng_state, manual_seed
label_desc: Use image node_id 1 for calling a global function with example usage: create_randomizer_with_offset(seed, process_group, offset_by_rank, offset_by_index) and returns: Randomizer