code: def test_shallow_copy_write_in_place():
      pdf = pd.DataFrame(
          [[1, 2, 3], [4, 5, 6], [7, 8, 9]], columns=["a", "b", "c"]
      )
      gdf = DataFrame.from_pandas(pdf)
      cdf = gdf.copy(deep=False)
      sr = gdf["a"]
  
      # Write a value in-place on the shallow copy.
      # This should change the copy and original.
      cp.asarray(sr._column)[1] = 42
  
      assert_eq(gdf, cdf)
  
file_path: cudf/python/cudf/cudf/tests/test_dataframe_copy.py
imports: from copy import copy, deepcopy
  import cupy
  import numpy
  import pandas
  import pytest
  from cudf.core.dataframe import DataFrame
  from cudf.testing._utils import ALL_TYPES, assert_eq, assert_neq
label_desc: Use image node_id 6 for calling a global function with example usage: test_shallow_copy_write_in_place() without return types