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(define (mdisplay-newline . args) ; does guile-1.3.4 have `format #t'?
(for-each display args)
(newline))
; Call our gcd() function
(define x 42)
(define y 105)
(define g (gcd x y))
(mdisplay-newline "The gcd of " x " and " y " is " g)
; Manipulate the Foo global variable
; Output its current value
(mdisplay-newline "Foo = " (Foo))
; Change its value
(Foo 3.1415926)
; See if the change took effect
(mdisplay-newline "Foo = " (Foo))
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