code: def test_inplace(self):
      mySymbolicMatricesList = TypedListType(
          T.TensorType(theano.config.floatX, (False, False))
      )()
      myMatrix = T.matrix()
  
      z = Append(True)(mySymbolicMatricesList, myMatrix)
  
      f = theano.function(
          [mySymbolicMatricesList, myMatrix], z, accept_inplace=True
      )
  
      x = rand_ranged_matrix(-1000, 1000, [100, 101])
  
      y = rand_ranged_matrix(-1000, 1000, [100, 101])
  
      self.assertTrue(np.array_equal(f([x], y), [x, y]))
  
imports: from __future__ import absolute_import, print_function, division
  import unittest
  from nose.plugins.skip import SkipTest
  import numpy
  import theano
  import theano.typed_list
  from theano import tensor
  from theano.tensor.type_other import SliceType
  from theano.typed_list.type import TypedListType
  from theano.typed_list.basic import GetItem, Insert, Append, Extend, Remove, Reverse, Index, Count, Length, make_list
  from theano import sparse
  from theano.tests import unittest_tools
label_desc: Use image node_id 1 for calling the test_append obj's underlying member method code with example usage: obj.test_inplace() without return types