code: def test_row_column_indexing(self):
      x = asmatrix(np.eye(2))
      assert_array_equal(x[0, :], [[1, 0]])
      assert_array_equal(x[1, :], [[0, 1]])
      assert_array_equal(x[:, 0], [[1], [0]])
      assert_array_equal(x[:, 1], [[0], [1]])
  
imports: import collections.abc
  import numpy
  from numpy import matrix, asmatrix, bmat
  from numpy.testing import assert_, assert_equal, assert_almost_equal, assert_array_equal, assert_array_almost_equal, assert_raises
  from numpy.linalg import matrix_power
  from numpy.matrixlib import mat
label_desc: Use image node_id 7 for calling the TestNewScalarIndexing obj's underlying member method code with example usage: obj.test_row_column_indexing() without return types