code: def test_iloc_returns_scalar(simple_multiindex_dataframe):
      df = simple_multiindex_dataframe
      arr = df.values
      result = df.iloc[2, 2]
      expected = arr[2, 2]
      assert result == expected
  
file_path: pandas/pandas/tests/indexing/multiindex/test_iloc.py
imports: import numpy
  import pytest
  from pandas import DataFrame, MultiIndex, Series
  import pandas._testing
label_desc: Use image node_id 4 for calling a global function with example usage: test_iloc_returns_scalar(simple_multiindex_dataframe) without return types