code: def _slice_sorter(s):
      return s.slice_indicator
  
file_path: nibabel/nibabel/nicom/dicomreaders.py
imports: import glob
  from os.path import join
  import numpy
  from ..None import Nifti1Image
  from .dicomwrappers import wrapper_from_data, wrapper_from_file
label_desc: Use image node_id 5 for calling a global function with example usage: _slice_sorter(s) and returns: s