code: def alphas():
      return [1.2, 1.8, 2.1]
  
imports: import os
  import numpy
  import torch
  import pytest
  from pomegranate.distributions import DiracDelta
  from ._utils import _test_initialization_raises_one_parameter
  from ._utils import _test_initialization
  from ._utils import _test_predictions
  from ._utils import _test_efd_from_summaries
  from ._utils import _test_raises
  from nose.tools import assert_raises
  from numpy.testing import assert_array_almost_equal
label_desc: Use image node_id 3 for calling a global function with example usage: alphas() and returns: list