code: def test_public_reciprocal(self):
      prot = tfe.protocol.Pond()
      tfe.set_protocol(prot)
  
      x_raw = np.array([10.0, 20.0, 30.0, 40.0])
      expected = 1.0 / x_raw
      x = prot.define_constant(x_raw)
      y = prot.reciprocal(x)
      actual = y.to_native()
      np.testing.assert_array_almost_equal(actual, expected, decimal=3)
  
imports: import unittest
  import numpy
  import pytest
  import tensorflow
  import tf_encrypted
  from tf_encrypted.protocol.pond import PondMaskedTensor
  from tf_encrypted.protocol.pond import PondPublicTensor
  from tf_encrypted.tensor import fixed100
  from tf_encrypted.tensor import fixed100_ni
  from tf_encrypted.tensor import int64factory
  from tf_encrypted.tensor import int100factory
  from tf_encrypted.tensor import native_factory
label_desc: Use image node_id 2 for calling the TestPondPublicDivision obj's underlying member method code with example usage: obj.test_public_reciprocal() without return types