code: def test_qstrung(alpha, k):
      rows = [
          5,
          6,
          7,
          8,
          9,
          10,
          11,
          12,
          13,
          14,
          15,
          16,
          17,
          18,
          19,
          20,
          24,
          30,
          40,
          60,
          120,
          9999,
      ]
  
      c1 = get_tukeyQcrit(k, rows, alpha=alpha)
      c2 = qsturng(1 - alpha, k, rows)
      assert_almost_equal(c1, c2, decimal=2)
      # roundtrip
      assert_almost_equal(
          psturng(qsturng(1 - alpha, k, rows), k, rows), alpha, 5
      )
  
imports: import pytest
  import numpy
  from numpy.testing import assert_almost_equal
  from statsmodels.stats.libqsturng import qsturng, psturng
  from statsmodels.sandbox.stats.multicomp import get_tukeyQcrit
label_desc: Use image node_id 1 for calling a global function with example usage: test_qstrung(alpha, k) without return types