code: def testShape(self):
      batch_size = 4
      num_reads = 2
      memory_size = 5
      word_size = 3
  
      mem = tf.random.uniform([batch_size, memory_size, word_size])
      weights = tf.random.uniform([batch_size, num_reads, memory_size])
      values_read = read.read(mem, weights)
      self.assertAllEqual(
          values_read.shape.as_list(),
          [batch_size, num_reads, word_size],
      )
  
imports: import numpy
  from sonnet.src import test_utils
  from sonnet.src.nets.dnc import read
  import tensorflow
label_desc: Use image node_id 1 for calling the ReadTest obj's underlying member method code with example usage: obj.testShape() without return types