code: def display_2d_data(input_data):
      raise NotImplementedError
  
      return
  
file_path: DeepNeuro/deepneuro/utilities/visualize.py
imports: import numpy
  import matplotlib.pyplot
  import os
  from collections import OrderedDict
  from deepneuro.utilities.conversion import save_data, read_image_files
  from deepneuro.utilities.util import replace_suffix, nifti_splitext
label_desc: Use image node_id 5 for calling a global function with example usage: display_2d_data(input_data) without return types