code: def test_slicing_doc_examples(self):
      # GH 7918
      cats = Categorical(
          ["a", "b", "b", "b", "c", "c", "c"],
          categories=["a", "b", "c"],
      )
      idx = Index(["h", "i", "j", "k", "l", "m", "n"])
      values = [1, 2, 2, 2, 3, 4, 5]
      df = DataFrame({"cats": cats, "values": values}, index=idx)
  
      result = df.iloc[2:4, :]
      expected = DataFrame(
          {
              "cats": Categorical(
                  ["b", "b"], categories=["a", "b", "c"]
              ),
              "values": [2, 2],
          },
          index=["j", "k"],
      )
      tm.assert_frame_equal(result, expected)
  
      result = df.iloc[2:4, :].dtypes
      expected = Series(
          ["category", "int64"], ["cats", "values"], dtype=object
      )
      tm.assert_series_equal(result, expected)
  
      result = df.loc["h":"j", "cats"]
      expected = Series(
          Categorical(["a", "b", "b"], categories=["a", "b", "c"]),
          index=["h", "i", "j"],
          name="cats",
      )
      tm.assert_series_equal(result, expected)
  
      result = df.loc["h":"j", df.columns[0:1]]
      expected = DataFrame(
          {
              "cats": Categorical(
                  ["a", "b", "b"], categories=["a", "b", "c"]
              )
          },
          index=["h", "i", "j"],
      )
      tm.assert_frame_equal(result, expected)
  
imports: import re
  import numpy
  import pytest
  import pandas.util._test_decorators
  import pandas
  from pandas import Categorical, CategoricalDtype, CategoricalIndex, DataFrame, Index, Interval, Series, Timedelta, Timestamp, option_context
  import pandas._testing
label_desc: Use image node_id 6 for calling the TestCategoricalIndex obj's underlying member method code with example usage: obj.test_slicing_doc_examples() without return types