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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Kalshi, one of several online prediction markets that have exploded in popularity in the last few years, has suspended one of YouTube MrBeast's video editors for insider trading, NPR reports. Besides being suspended from the platform for two years, Kalshi says the editor will also be required to pay a financial penalty that's five times his initial trade size.