code: def datasets():
      return [
          examples.load_uniform(),  # ImageData
          examples.load_rectilinear(),  # RectilinearGrid
          examples.load_hexbeam(),  # UnstructuredGrid
          examples.load_airplane(),  # PolyData
          examples.load_structured(),  # StructuredGrid
      ]
  
imports: from importlib import metadata
  import re
  import numpy
  from numpy.random import default_rng
  from pytest import fixture, mark, skip
  import pyvista
  from pyvista import examples
label_desc: Use image node_id 16 for calling a global function with example usage: datasets() and returns: list