Realm of Racket

Introduction (Open Paren)

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So you think you know how to program because you took an introductory course or two. Or perhaps you read a book that taught you programming in 13 days. And then you picked up this book, which is full of parentheses and comics. Doesn’t it look different from what you have seen in the past?

The programs you see here look like those that we encountered in our first programming courses. You might be wondering why anyone would teach such a weird-looking programming language and why we find it so exciting that we would write a whole book about it.

Or maybe you’ve heard others rave about the Lisp language and thought, “Boy, Lisp sure looks different from other languages that people talk about. Maybe I should pick up a Lisp book.” ...