演示应用 — 你已在上方看到过它的截图。我创建了一个包含三个函数的演示：change_background_color（更改背景颜色）、change_app_title（更改标题）和show_alert（显示警告对话框）。
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第四十条 行政执法监督人员在行政执法监督中滥用职权、玩忽职守、徇私舞弊的，依法给予处分；构成犯罪的，依法追究刑事责任。