code: def test_variable_number_of_args(shutdown_only):
      ray.init(num_cpus=1)
  
      @ray.remote
      def varargs_fct1(*a):
          return " ".join(map(str, a))
  
      @ray.remote
      def varargs_fct2(a, *b):
          return " ".join(map(str, b))
  
      x = varargs_fct1.remote(0, 1, 2)
      assert ray.get(x) == "0 1 2"
      x = varargs_fct2.remote(0, 1, 2)
      assert ray.get(x) == "1 2"
  
      @ray.remote
      def f1(*args):
          return args
  
      @ray.remote
      def f2(x, y, *args):
          return x, y, args
  
      assert ray.get(f1.remote()) == ()
      assert ray.get(f1.remote(1)) == (1,)
      assert ray.get(f1.remote(1, 2, 3)) == (1, 2, 3)
      with pytest.raises(TypeError):
          f2.remote()
      with pytest.raises(TypeError):
          f2.remote(1)
      assert ray.get(f2.remote(1, 2)) == (1, 2, ())
      assert ray.get(f2.remote(1, 2, 3)) == (1, 2, (3,))
      assert ray.get(f2.remote(1, 2, 3, 4)) == (1, 2, (3, 4))
  
      def testNoArgs(self):
          @ray.remote
          def no_op():
              pass
  
          self.ray_start()
  
          ray.get(no_op.remote())
  
imports: import array
  import logging
  import os
  import random
  import subprocess
  import sys
  import tempfile
  import threading
  import time
  from unittest.mock import MagicMock, patch
  import pytest
  from ray._private.ray_constants import KV_NAMESPACE_FUNCTION_TABLE
  from ray._private.test_utils import client_test_enabled
  from ray.cluster_utils import Cluster, cluster_not_supported
  from ray.exceptions import GetTimeoutError, RayTaskError
  from ray.tests.client_test_utils import create_remote_signal_actor
label_desc: Use image node_id 1 for calling a global function with example usage: test_variable_number_of_args(shutdown_only) and returns: str, str, args, x,  y,  args