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Example with cond: leap-year?
(define (leap-year? y)
  (cond ((= (modulo y 400) 0) #t)
        ((= (modulo y 100) 0) #f)
        ((= (modulo y 4) 0) #t)
        (else #f)))
leap-year-or.scm
The function leap year programmed without a conditional.
Elucidate this program
A complete program for handling of time