code: def testListValueMessage(self):
      message = json_format_proto3_pb2.TestListValue()
      message.value.values.add().number_value = 11.1
      message.value.values.add().null_value = 0
      message.value.values.add().bool_value = True
      message.value.values.add().string_value = "hello"
      message.value.values.add().struct_value["name"] = "Jim"
      message.repeated_value.add().values.add().number_value = 1
      message.repeated_value.add()
      self.assertEqual(
          json.loads(json_format.MessageToJson(message, False)),
          json.loads(
              '{"value": [11.1, null, true, "hello", {"name": "Jim"}]\n,'
              '"repeatedValue": [[1], []]}'
          ),
      )
      parsed_message = json_format_proto3_pb2.TestListValue()
      self.CheckParseBack(message, parsed_message)
  
imports: import json
  import math
  import sys
  from google.protobuf import any_pb2
  from google.protobuf import duration_pb2
  from google.protobuf import field_mask_pb2
  from google.protobuf import struct_pb2
  from google.protobuf import timestamp_pb2
  from google.protobuf import wrappers_pb2
  from google.protobuf.internal import well_known_types
  from google.protobuf import json_format
  from google.protobuf.util import json_format_proto3_pb2
label_desc: Use image node_id 16 for calling the JsonFormatTest obj's underlying member method code with example usage: obj.testListValueMessage() without return types