code: def test_getitem_list_duplicates(self):
      # GH#1943
      df = DataFrame(
          np.random.default_rng(2).standard_normal((4, 4)),
          columns=list("AABC"),
      )
      df.columns.name = "foo"
  
      result = df[["B", "C"]]
      assert result.columns.name == "foo"
  
      expected = df.iloc[:, 2:]
      tm.assert_frame_equal(result, expected)
  
imports: import re
  import numpy
  import pytest
  from pandas import Categorical, CategoricalDtype, CategoricalIndex, DataFrame, DateOffset, DatetimeIndex, Index, MultiIndex, Series, Timestamp, concat, date_range, get_dummies, period_range
  import pandas._testing
  from pandas.core.arrays import SparseArray
label_desc: Use image node_id 2 for calling the TestGetitemListLike obj's underlying member method code with example usage: obj.test_getitem_list_duplicates() without return types