code: def test_getitem_sparse_column_return_type_and_dtype(self):
      # https://github.com/pandas-dev/pandas/issues/23559
      data = SparseArray([0, 1])
      df = DataFrame({"A": data})
      expected = Series(data, name="A")
      result = df["A"]
      tm.assert_series_equal(result, expected)
  
      # Also check iloc and loc while we're here
      result = df.iloc[:, 0]
      tm.assert_series_equal(result, expected)
  
      result = df.loc[:, "A"]
      tm.assert_series_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 4 for calling the TestGetitem obj's underlying member method code with example usage: obj.test_getitem_sparse_column_return_type_and_dtype() without return types