code: def test_get_column_indices_interchange():
      """Check _get_column_indices for edge cases with the interchange"""
      pd = pytest.importorskip("pandas", minversion="1.5")
  
      df = pd.DataFrame([[1, 2, 3], [4, 5, 6]], columns=["a", "b", "c"])
  
      # Hide the fact that this is a pandas dataframe to trigger the dataframe protocol
      # code path.
      class MockDataFrame:
          def __init__(self, df):
              self._df = df
  
          def __getattr__(self, name):
              return getattr(self._df, name)
  
      df_mocked = MockDataFrame(df)
  
      key_results = [
          (slice(1, None), [1, 2]),
          (slice(None, 2), [0, 1]),
          (slice(1, 2), [1]),
          (["b", "c"], [1, 2]),
          (slice("a", "b"), [0, 1]),
          (slice("a", None), [0, 1, 2]),
          (slice(None, "a"), [0]),
          (["c", "a"], [2, 0]),
          ([], []),
      ]
      for key, result in key_results:
          assert _get_column_indices(df_mocked, key) == result
  
      msg = "A given column is not a column of the dataframe"
      with pytest.raises(ValueError, match=msg):
          _get_column_indices(df_mocked, ["not_a_column"])
  
      msg = "key.step must be 1 or None"
      with pytest.raises(NotImplementedError, match=msg):
          _get_column_indices(df_mocked, slice("a", None, 2))
  
imports: import string
  import timeit
  import warnings
  from copy import copy
  from itertools import chain
  import numpy
  import pytest
  from sklearn import config_context
  from sklearn.utils import _approximate_mode, _determine_key_type, _get_column_indices, _is_polars_df, _message_with_time, _print_elapsed_time, _safe_assign, _safe_indexing, _to_object_array, check_random_state, column_or_1d, deprecated, gen_even_slices, get_chunk_n_rows, is_scalar_nan, resample, safe_mask, shuffle
  from sklearn.utils._mocking import MockDataFrame
  from sklearn.utils._testing import _convert_container, assert_allclose_dense_sparse, assert_array_equal, assert_no_warnings
  from sklearn.utils.fixes import CSC_CONTAINERS, CSR_CONTAINERS
label_desc: Use image node_id 43 for calling a global function with example usage: test_get_column_indices_interchange() and returns: getattr