code: def testRaggedTensorStr(self, pylist, expected_str):
      rt = ragged_factory_ops.constant(pylist)
      self.assertEqual(str(rt), f"<tf.RaggedTensor {expected_str}>")
  
file_path: tensorflow-upstream/tensorflow/python/ops/ragged/ragged_eager_test.py
imports: from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import test_util
  from tensorflow.python.ops.ragged import ragged_factory_ops
  from tensorflow.python.platform import googletest
label_desc: Use image node_id 2 for calling the RaggedTensorTest obj's underlying member method code with example usage: obj.testRaggedTensorStr(pylist, expected_str) without return types