code: def test_contains(data, search_key):
      expect = Series(data).list.contains(search_key)
      ds = dgd.from_cudf(Series(data), 5)
      assert_eq(expect, ds.list.contains(search_key).compute())
  
imports: import numpy
  import pandas
  import pytest
  from pandas.testing import assert_series_equal
  from dask import dataframe
  from cudf import DataFrame, Series, date_range
  from cudf.testing._utils import assert_eq, does_not_raise
  import dask_cudf
label_desc: Use image node_id 28 for calling a global function with example usage: test_contains(data, search_key) without return types