code: def test_strided_windows1(self):
      out = utils.strided_windows(range(5), 2)
      expected = np.array([[0, 1], [1, 2], [2, 3], [3, 4]])
      self._assert_arrays_equal(expected, out)
  
imports: import logging
  import unittest
  import numpy
  from gensim import utils
  from gensim.test.utils import datapath, get_tmpfile
label_desc: Use image node_id 2 for calling the TestWindowing obj's underlying member method code with example usage: obj.test_strided_windows1() without return types