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当然，要运行我的示例代码，你还需要一个Google API密钥。如果你还没有密钥，请访问 Google AI Studio网站并登录。在屏幕左下角附近，你会看到一个“获取API密钥”链接。点击该链接并按照说明操作即可获取密钥。获取密钥后，GOOGLE_API_KEY在你的系统中创建一个名为`<environment_variable_name>`的环境变量，并将其值设置为你的API密钥。