code: def test_loc_getitem_index_differently_ordered_slice_none_duplicates(
      indexer,
  ):
      # GH#40978
      df = DataFrame(
          [1] * 8,
          index=MultiIndex.from_tuples(
              [
                  (1, 1),
                  (1, 2),
                  (1, 7),
                  (1, 6),
                  (2, 2),
                  (2, 3),
                  (2, 8),
                  (2, 7),
              ]
          ),
          columns=["a"],
      )
      result = df.loc[(slice(None), indexer), :]
      expected = DataFrame(
          [1] * 8,
          index=[[1, 1, 2, 1, 2, 1, 2, 2], [1, 2, 2, 7, 7, 6, 3, 8]],
          columns=["a"],
      )
      tm.assert_frame_equal(result, expected)
  
      result = df.loc[df.index.isin(indexer, level=1), :]
      tm.assert_frame_equal(result, df)
  
imports: import numpy
  import pytest
  from pandas.errors import IndexingError, PerformanceWarning
  import pandas
  from pandas import DataFrame, Index, MultiIndex, Series
  import pandas._testing
label_desc: Use image node_id 24 for calling a global function with example usage: test_loc_getitem_index_differently_ordered_slice_none_duplicates(indexer) without return types