code: def test_loc_setitem_with_expansion_non_category(self, df):
      # Setting-with-expansion with a new key "d" that is not among caegories
      df.loc["a"] = 20
  
      # Setting a new row on an existing column
      df3 = df.copy()
      df3.loc["d", "A"] = 10
      bidx3 = Index(list("aabbcad"), name="B")
      expected3 = DataFrame(
          {
              "A": [20, 20, 2, 3, 4, 20, 10.0],
          },
          index=Index(bidx3),
      )
      tm.assert_frame_equal(df3, expected3)
  
      # Setting a new row _and_ new column
      df4 = df.copy()
      df4.loc["d", "C"] = 10
      expected3 = DataFrame(
          {
              "A": [20, 20, 2, 3, 4, 20, np.nan],
              "C": [np.nan, np.nan, np.nan, np.nan, np.nan, np.nan, 10],
          },
          index=Index(bidx3),
      )
      tm.assert_frame_equal(df4, expected3)
  
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 2 for calling the TestCategoricalIndex obj's underlying member method code with example usage: obj.test_loc_setitem_with_expansion_non_category(df) without return types