more examples

gobyexample/functions.go

@@ -0,0 +1,19 @@
+package main
+
+import "fmt"
+
+func plus(a int, b int) int {
+	return a+b
+}
+
+func plusPlus(a, b, c int) int {
+	return a + b + c
+}
+
+func main() {
+	res := plus(1, 2)
+	fmt.Println("1+2 =", res)
+	
+	res = plusPlus(1, 2, 3)
+	fmt.Println("1+2+3 =", res)
+}