code: def test_format_numpy_array(
      self, input_list, precision, expected_output
  ):
      self.assertEqual(
          utils.format_number_list(np.array(input_list), precision),
          expected_output,
      )
  
imports: from unittest import mock
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from tensorflow_privacy.privacy.privacy_tests import utils
label_desc: Use image node_id 3 for calling the TestPrintNumberList obj's underlying member method code with example usage: obj.test_format_numpy_array(input_list, precision, expected_output) without return types