Common Lisp is an actively used programming language created in 1984.

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Example code from Linguist:

(DEFUN HELLO ()
  (PRINT 'HELLO))

Example code from Wikipedia:

CL-USER > (available-shells)
(#P"/bin/bash" #P"/bin/csh" #P"/bin/ksh" #P"/bin/sh" #P"/bin/tcsh" #P"/bin/zsh")
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Last updated February 11th, 2019