code: def test_nummultby(client):
      client.json().set("num", Path.root_path(), 1)
  
      with pytest.deprecated_call():
          assert_resp_response(
              client,
              client.json().nummultby("num", Path.root_path(), 2),
              2,
              [2],
          )
          assert_resp_response(
              client,
              client.json().nummultby("num", Path.root_path(), 2.5),
              5,
              [5],
          )
          assert_resp_response(
              client,
              client.json().nummultby("num", Path.root_path(), 0.5),
              2.5,
              [2.5],
          )
  
imports: import pytest
  import redis
  from redis import Redis, exceptions
  from redis.commands.json.decoders import decode_list, unstring
  from redis.commands.json.path import Path
  from .conftest import _get_client, assert_resp_response, skip_ifmodversion_lt
label_desc: Use image node_id 14 for calling a global function with example usage: test_nummultby(client) without return types