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+(define-module (fibonacci))
+
+
+(define-public (fibonacci k)
+ "Returns a fibonacci sequence of k length
+as a list"
+ (fibonacci-helper k 0 1 '()))
+
+(define (fibonacci-helper k n1 n2 lst)
+ "Recursively generates and appends numbers in the
+fibonacci sequence."
+ (if (zero? k)
+ lst
+ (fibonacci-helper (- k 1)
+ n2
+ (+ n1 n2)
+ (append lst (list n1)))))