目标是什么？只需挥动手掌即可控制鼠标光标。一旦启动程序，窗口将显示你的网络摄像头画面，并实时叠加手部骨架。你电脑上的光标会跟随你食指的移动而移动。这几乎就像隔空移物—你无需触碰任何物理设备，就能操控数字对象。

An exercise-driven course on Advanced Python Programming that was battle-tested several hundred times on the corporate-training circuit for more than a decade. Written by David Beazley, author of the ...

You can trigger the automatic installation of the dependencies by playing around with the options in the first three lines of the snippet.