code: def test_get_jumpstart_launched_regions_message():
      with patch(
          "sagemaker.jumpstart.constants.JUMPSTART_REGION_NAME_SET", {}
      ):
          assert (
              utils.get_jumpstart_launched_regions_message()
              == "JumpStart is not available in any region."
          )
  
      with patch(
          "sagemaker.jumpstart.constants.JUMPSTART_REGION_NAME_SET",
          {"some_region"},
      ):
          assert (
              utils.get_jumpstart_launched_regions_message()
              == "JumpStart is available in some_region region."
          )
  
      with patch(
          "sagemaker.jumpstart.constants.JUMPSTART_REGION_NAME_SET",
          {"some_region1", "some_region2"},
      ):
          assert (
              utils.get_jumpstart_launched_regions_message()
              == "JumpStart is available in some_region1 and some_region2 regions."
          )
  
      with patch(
          "sagemaker.jumpstart.constants.JUMPSTART_REGION_NAME_SET",
          {"a", "b", "c"},
      ):
          assert (
              utils.get_jumpstart_launched_regions_message()
              == "JumpStart is available in a, b, and c regions."
          )
  
imports: from __future__ import absolute_import
  import os
  from unittest import TestCase
  from mock.mock import Mock, patch
  import pytest
  import random
  from sagemaker.jumpstart import utils
  from sagemaker.jumpstart.constants import DEFAULT_JUMPSTART_SAGEMAKER_SESSION, ENV_VARIABLE_DISABLE_JUMPSTART_LOGGING, ENV_VARIABLE_JUMPSTART_CONTENT_BUCKET_OVERRIDE, ENV_VARIABLE_JUMPSTART_GATED_CONTENT_BUCKET_OVERRIDE, JUMPSTART_DEFAULT_REGION_NAME, JUMPSTART_GATED_AND_PUBLIC_BUCKET_NAME_SET, JUMPSTART_LOGGER, JUMPSTART_REGION_NAME_SET, JUMPSTART_RESOURCE_BASE_NAME, JumpStartScriptScope
  from functools import partial
  from sagemaker.jumpstart.enums import JumpStartTag, MIMEType
  from sagemaker.jumpstart.exceptions import DeprecatedJumpStartModelError, VulnerableJumpStartModelError
  from sagemaker.jumpstart.types import JumpStartModelHeader, JumpStartVersionedModelId
  from tests.unit.sagemaker.jumpstart.utils import get_spec_from_base_spec
  from mock import MagicMock
label_desc: Use image node_id 8 for calling a global function with example usage: test_get_jumpstart_launched_regions_message() without return types