code: def test_item(self, xp, dtype):
      a = xp.full(self.shape, 3, dtype)
      return a.item()
  
file_path: cupy/tests/cupy_tests/core_tests/test_ndarray_conversion.py
imports: import unittest
  import numpy
  import pytest
  import cupy
  from cupy.cuda import runtime
  from cupy import testing
label_desc: Use image node_id 1 for calling the TestNdarrayItem obj's underlying member method code with example usage: obj.test_item(xp, dtype) and returns: a