code: def iris_selection():
      return np.random.choice(
          [True, False], 150, replace=True, p=[0.75, 0.25]
      )
  
imports: import pytest
  import numpy
  from scipy import sparse
  from sklearn.datasets import load_iris
  from umap import UMAP, AlignedUMAP
label_desc: Use image node_id 15 for calling a global function with example usage: iris_selection() and returns: np