code: def test_loc_setitem(setup):
      raw_df = pd.DataFrame(
          {"a": [1, 2, 3, 4, 2, 4, 5, 7, 2, 8, 9], 1: [10] * 11}
      )
      md_data = md.DataFrame(raw_df, chunk_size=3)
      md_data.loc[md_data["a"] <= 4, 1] = "v1"
      pd_data = raw_df.copy(True)
      pd_data.loc[pd_data["a"] <= 4, 1] = "v1"
      pd.testing.assert_frame_equal(md_data.to_pandas(), pd_data)
  
      md_data1 = md.DataFrame(raw_df, chunk_size=3)
      md_data1.loc[1:3] = "v2"
      pd_data1 = raw_df.copy(True)
      pd_data1.loc[1:3] = "v2"
      pd.testing.assert_frame_equal(md_data1.to_pandas(), pd_data1)
  
      md_data2 = md.DataFrame(raw_df, chunk_size=3)
      md_data2.loc[1:3, 1] = "v2"
      pd_data2 = raw_df.copy(True)
      pd_data2.loc[1:3, 1] = "v2"
      pd.testing.assert_frame_equal(md_data2.to_pandas(), pd_data2)
  
imports: import os
  import tempfile
  import mars
  import numpy
  import pandas
  import pytest
  from ....None import dataframe
  from ....None import tensor
  from ....utils import pd_release_version
  from ...datasource.read_csv import DataFrameReadCSV
  from ...datasource.read_sql import DataFrameReadSQL
  from ...datasource.read_parquet import DataFrameReadParquet
label_desc: Use image node_id 27 for calling a global function with example usage: test_loc_setitem(setup) without return types