code: def test_scalar_host_initialization(value):
      s = cudf.Scalar(value)
  
      np.testing.assert_equal(s.value, value)
      assert s.is_valid() is True
      assert s._is_host_value_current
      assert not s._is_device_value_current
  
imports: import datetime
  import re
  from decimal import Decimal
  import numpy
  import pandas
  import pyarrow
  import pytest
  import rmm
  import cudf
  from cudf._lib.copying import get_element
  from cudf.testing._utils import ALL_TYPES, DATETIME_TYPES, NUMERIC_TYPES, TIMEDELTA_TYPES
label_desc: Use image node_id 2 for calling a global function with example usage: test_scalar_host_initialization(value) without return types