code: def test_keyword_args(ray_start_shared_local_modes):
      @ray.remote
      def keyword_fct1(a, b="hello"):
          return "{} {}".format(a, b)
  
      @ray.remote
      def keyword_fct2(a="hello", b="world"):
          return "{} {}".format(a, b)
  
      @ray.remote
      def keyword_fct3(a, b, c="hello", d="world"):
          return "{} {} {} {}".format(a, b, c, d)
  
      x = keyword_fct1.remote(1)
      assert ray.get(x) == "1 hello"
      x = keyword_fct1.remote(1, "hi")
      assert ray.get(x) == "1 hi"
      x = keyword_fct1.remote(1, b="world")
      assert ray.get(x) == "1 world"
      x = keyword_fct1.remote(a=1, b="world")
      assert ray.get(x) == "1 world"
  
      x = keyword_fct2.remote(a="w", b="hi")
      assert ray.get(x) == "w hi"
      x = keyword_fct2.remote(b="hi", a="w")
      assert ray.get(x) == "w hi"
      x = keyword_fct2.remote(a="w")
      assert ray.get(x) == "w world"
      x = keyword_fct2.remote(b="hi")
      assert ray.get(x) == "hello hi"
      x = keyword_fct2.remote("w")
      assert ray.get(x) == "w world"
      x = keyword_fct2.remote("w", "hi")
      assert ray.get(x) == "w hi"
  
      x = keyword_fct3.remote(0, 1, c="w", d="hi")
      assert ray.get(x) == "0 1 w hi"
      x = keyword_fct3.remote(0, b=1, c="w", d="hi")
      assert ray.get(x) == "0 1 w hi"
      x = keyword_fct3.remote(a=0, b=1, c="w", d="hi")
      assert ray.get(x) == "0 1 w hi"
      x = keyword_fct3.remote(0, 1, d="hi", c="w")
      assert ray.get(x) == "0 1 w hi"
      x = keyword_fct3.remote(0, 1, c="w")
      assert ray.get(x) == "0 1 w world"
      x = keyword_fct3.remote(0, 1, d="hi")
      assert ray.get(x) == "0 1 hello hi"
      x = keyword_fct3.remote(0, 1)
      assert ray.get(x) == "0 1 hello world"
      x = keyword_fct3.remote(a=0, b=1)
      assert ray.get(x) == "0 1 hello world"
  
      # Check that we cannot pass invalid keyword arguments to functions.
      @ray.remote
      def f1():
          return
  
      @ray.remote
      def f2(x, y=0, z=0):
          return
  
      # Make sure we get an exception if too many arguments are passed in.
      with pytest.raises(TypeError):
          f1.remote(3)
  
      with pytest.raises(TypeError):
          f1.remote(x=3)
  
      with pytest.raises(TypeError):
          f2.remote(0, w=0)
  
      with pytest.raises(TypeError):
          f2.remote(3, x=3)
  
      # Make sure we get an exception if too many arguments are passed in.
      with pytest.raises(TypeError):
          f2.remote(1, 2, 3, 4)
  
      @ray.remote
      def f3(x):
          return x
  
      assert ray.get(f3.remote(4)) == 4
  
imports: import logging
  import os
  import pickle
  import random
  import sys
  import time
  import pytest
  import ray
  import ray.cluster_utils
  from ray._private.test_utils import SignalActor, client_test_enabled, get_error_message, run_string_as_driver
label_desc: Use image node_id 24 for calling a global function with example usage: test_keyword_args(ray_start_shared_local_modes) and returns: str, str, str, x