code: def masked_images(multimasked_images) -> Iterable[np.ndarray]:
      return [
          multimasked_image[0]
          for multimasked_image in multimasked_images
      ]
  
imports: from typing import Iterable, Sequence
  import numpy
  import pytest
  from nibabel.nifti1 import Nifti1Pair
  from nibabel.spatialimages import SpatialImage
  from brainiak.image import mask_image, mask_images, MaskedMultiSubjectData, multimask_images, SingleConditionSpec
label_desc: Use image node_id 9 for calling a global function with example usage: masked_images(multimasked_images) and returns: unknown