code: def __getitem__(
      self: TSliceSequence, item: Union[int, slice]
  ) -> Union[TSliceSequence, TData]:
      if isinstance(item, (int, np.integer)):
          item = int(item)
          if item >= len(self):
              raise IndexError(
                  "Sequence index out of bounds" + str(int(item))
              )
  
          curr_elem = (
              item if self.slice_ids is None else self.slice_ids[item]
          )
  
          el = self._make_element(curr_elem)
          el = self._post_process_element(el)
          return el
      else:
          new_slice = self._forward_slice(self.slice_ids, item)
          return self._make_slice(new_slice)
  
imports: from abc import ABC, abstractmethod
  import bisect
  import copy
  from typing import Iterator, overload
  from typing_extensions import final
  import numpy
  from numpy import ndarray
  from torch import Tensor
  from torch.utils.data import Subset
  from .dataset_definitions import IDatasetWithTargets
  from typing import Sequence, List, Iterable, Union, Optional, TypeVar, Callable, Generic
label_desc: Use image node_id 5 for calling the SliceSequence obj's underlying member method code with example usage: obj.__getitem__(item) and returns: el, self