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This would be better for illustrating that object is not overweritten, I think:

  =>(let [object "light"]
  =>  (let [object "darkness"]
  =>    (println (str "God said let there be " object)))
  =>  (println (str "God said let there be " object)))
  God said let there be darkness
  God said let there be light
  nil


Thanks for this. I added your example with slightly different form!




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