扩展:现在是扩展你程序的时候了!

  1. 尝试为函数添加第四个参数名称,例如: food
  2. 添加使用新参数的文本:例如:"Please bring your favorite " + food + " dish."
  3. 向函数调用中添加一个参数值:"pasta"
  4. 完成后,点击 提交 下一步 继续。

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