code: def test_ndtr():
      assert_equal(sc.ndtr(0), 0.5)
      assert_allclose(sc.ndtr(1), 0.8413447460685429)
  
file_path: scipy/scipy/special/tests/test_ndtr.py
imports: import numpy
  from numpy.testing import assert_equal, assert_allclose
  import scipy.special
label_desc: Use image node_id 1 for calling a global function with example usage: test_ndtr() without return types