code: def test_setitem_multiindex(self):
      # GH#7190
      cols = ["A", "w", "l", "a", "x", "X", "d", "profit"]
      index = MultiIndex.from_product(
          [np.arange(0, 100), np.arange(0, 80)], names=["time", "firm"]
      )
      t, n = 0, 2
  
      df = DataFrame(
          np.nan,
          columns=cols,
          index=index,
      )
      self.check(target=df, indexers=((t, n), "X"), value=0)
  
      df = DataFrame(-999, columns=cols, index=index)
      self.check(target=df, indexers=((t, n), "X"), value=1)
  
      df = DataFrame(columns=cols, index=index)
      self.check(target=df, indexers=((t, n), "X"), value=2)
  
      # gh-7218: assigning with 0-dim arrays
      df = DataFrame(-999, columns=cols, index=index)
      self.check(
          target=df,
          indexers=((t, n), "X"),
          value=np.array(3),
          expected=3,
      )
  
imports: import numpy
  import pytest
  from pandas.errors import SettingWithCopyError
  import pandas
  from pandas import DataFrame, MultiIndex, Series, date_range, isna, notna
  import pandas._testing
label_desc: Use image node_id 2 for calling the TestMultiIndexSetItem obj's underlying member method code with example usage: obj.test_setitem_multiindex() without return types