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The examples here, and indeed in the whole book, are aimed at tasks that you might have to do in the real world. In this chapter we’ll try to give you a taste of the diversity of programs that one might write in Go, ranging from simple file processing and a bit of graphics to concurrent Internet clients and servers.
When you’re learning a new language, there’s a natural tendency to write code as you would have written it in a language you already know. Be aware of this bias as you learn Go and try to avoid it. We’ve tried to illustrate and explain how to write good Go, so use the code here as a guide when you’re writing your own.