Let's look at a slightly larger example, just to show you how you can apply some of the programming principles you already know and write a useful program in a short time.

让我们来看看一个稍微大些的实例，仅仅向您展示您如何能够应用一些您已经知道的程序设计原则，以及在短时间内写出有用的程序。

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Bach also touted a nifty new application called Kodu, a do-it-yourself videogame kit which teaches basic programming principles to kids and lets them build their own levels using a visual interface and simple commands.

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