code: def test_consistency_with_tz_aware_scalar(self):
      # xef gh-12938
      # various ways of indexing the same tz-aware scalar
      df = Series(
          [Timestamp("2016-03-30 14:35:25", tz="Europe/Brussels")]
      ).to_frame()
  
      df = pd.concat([df, df]).reset_index(drop=True)
      expected = Timestamp(
          "2016-03-30 14:35:25+0200", tz="Europe/Brussels"
      )
  
      result = df[0][0]
      assert result == expected
  
      result = df.iloc[0, 0]
      assert result == expected
  
      result = df.loc[0, 0]
      assert result == expected
  
      result = df.iat[0, 0]
      assert result == expected
  
      result = df.at[0, 0]
      assert result == expected
  
      result = df[0].loc[0]
      assert result == expected
  
      result = df[0].at[0]
      assert result == expected
  
file_path: pandas/pandas/tests/indexing/test_datetime.py
imports: import re
  import pytest
  import pandas
  from pandas import DataFrame, Index, Series, Timestamp, date_range
  import pandas._testing
label_desc: Use image node_id 4 for calling the TestDatetimeIndex obj's underlying member method code with example usage: obj.test_consistency_with_tz_aware_scalar() without return types