code: def test_reindex_columns(self, float_frame):
      new_frame = float_frame.reindex(columns=["A", "B", "E"])
  
      tm.assert_series_equal(new_frame["B"], float_frame["B"])
      assert np.isnan(new_frame["E"]).all()
      assert "C" not in new_frame
  
      # Length zero
      new_frame = float_frame.reindex(columns=[])
      assert new_frame.empty
  
imports: from datetime import datetime, timedelta
  import inspect
  import numpy
  import pytest
  from pandas._libs.tslibs.timezones import dateutil_gettz
  from pandas.compat import IS64, is_platform_windows
  from pandas.compat.numpy import np_version_gt2
  import pandas
  from pandas import Categorical, CategoricalIndex, DataFrame, Index, MultiIndex, Series, date_range, isna
  import pandas._testing
  from pandas.api.types import CategoricalDtype
label_desc: Use image node_id 23 for calling the TestDataFrameSelectReindex obj's underlying member method code with example usage: obj.test_reindex_columns(float_frame) without return types