code: def test_setitem_with_expansion_multiindex_columns(
      self, multiindex_year_month_day_dataframe_random_data
  ):
      ymd = multiindex_year_month_day_dataframe_random_data
  
      df = ymd[:5].T
      df[2000, 1, 10] = df[2000, 1, 7]
      assert isinstance(df.columns, MultiIndex)
      assert (df[2000, 1, 10] == df[2000, 1, 7]).all()
  
imports: import datetime
  import numpy
  import pytest
  import pandas
  from pandas import DataFrame, MultiIndex, Series
  import pandas._testing
label_desc: Use image node_id 7 for calling the TestMultiLevel obj's underlying member method code with example usage: obj.test_setitem_with_expansion_multiindex_columns(multiindex_year_month_day_dataframe_random_data) without return types