LISP Functions

Define your own functions in LISP

(defun function_name ()
    lisp_expression1
    lisp_expression2
    ...
)

Example

(defun test_function ()
    (setq a 2.0)
    (setq b 3.0)
    (setq c '(This is a list))
    (princ "Square of variable a: ")
    (princ (* a a))
    (princ "\n")
    (princ "Cube of variable b: ")
    (princ (* b b b))
    (princ "\n")
    (princ "Value of variable c: ")
    (princ c)
    (princ "\n")
    (setq d "this is a string!")
    (princ d)
    (princ)
)

(test_function)

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