code: def test_string_builder_append_values():
      sbuilder = StringBuilder()
      sbuilder.append_values([np.nan, None, "text", None, "other text"])
      assert sbuilder.null_count == 3
      arr = sbuilder.finish()
      assert arr.null_count == 3
      expected = [None, None, "text", None, "other text"]
      assert arr.to_pylist() == expected
  
file_path: arrow/python/pyarrow/tests/test_builder.py
imports: import weakref
  import numpy
  import pyarrow
  from pyarrow.lib import StringBuilder
label_desc: Use image node_id 3 for calling a global function with example usage: test_string_builder_append_values() without return types