Clojure Hello World

user=> (println “Hello World!”)
Hello World!
nil
user=> exit
Bye for now!

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Leiningen is the easiest way to use Clojure. With a focus on project automation and declarative configuration, it gets out of your way and lets you focus on your code.

https://leiningen.org/

Build Your Functional Skills One Idea at a Time, by Russ Olsen
https://pragprog.com/book/roclojure/getting-clojure