插件： 解析函数调用，调用 changeBackgroundColor(“red”)，将结果发送给模型，模型生成响应：“完成！背景现在是红色了。”
The Elder Scrolls Online Collection: Gold Road is the definitive version of the game, offering access to all zones, biomes and quest arcs. This online game can be played cooperatively, but there's also a lot of PvP content. It's set 1,000 years before Skyrim, but there are many iconic locations from that game to explore.
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count++; // 每弹出一个，能看到的矮个子数+1，推荐阅读91视频获取更多信息
* @param arr 待排序数组
