update book code

eBook/exercises/chapter_7/fibonacci_funcarray.go

@@ -0,0 +1,22 @@
+package main
+
+import "fmt"
+
+var term = 15
+
+func main() {
+	result := fibarray(term)
+	for ix, fib := range result {
+		fmt.Printf("The %d-th Fibonacci number is: %d\n", ix,  fib)
+	}
+}
+
+func fibarray(term int) []int {
+	farr := make([]int, term)
+	farr[0], farr[1] = 1, 1
+	
+	for i:= 2; i < term; i++ {
+		farr[i] = farr[i-1] + farr[i-2]
+	}
+	return farr
+}