code: def test_list(ty, klass):
      v = ["foo", None]
      s = pa.scalar(v, type=ty)
      assert s.type == ty
      assert len(s) == 2
      assert isinstance(s.values, pa.Array)
      assert s.values.to_pylist() == v
      assert isinstance(s, klass)
      assert repr(v) in repr(s)
      assert s.as_py() == v
      assert s[0].as_py() == "foo"
      assert s[1].as_py() is None
      assert s[-1] == s[1]
      assert s[-2] == s[0]
      with pytest.raises(IndexError):
          s[-3]
      with pytest.raises(IndexError):
          s[2]
  
imports: import datetime
  import decimal
  import pytest
  import sys
  import weakref
  import numpy
  import pyarrow
  import pyarrow.compute
  from pyarrow.tests import util
label_desc: Use image node_id 32 for calling a global function with example usage: test_list(ty, klass) without return types