functionExample.go

package main

//imported the fmt package
import "fmt"

//this is a function which returns a single maximum value
func maxValue(a, b int) int {
	if a > b {
		return a
	}

	return b
}

//this is the function which returns two values, one is the sum and other is the product of two number
func addAndProduct(a, b int) (int, int) {
	return a + b, a * b
}

//main function gets called when the program executes
func main() {
	//this is how we assign the values to the return values
	addition, product := addAndProduct(20, 30)

	//print the max value from 2,3
	fmt.Println(maxValue(2, 3))

	//prints the value of addition from addAndProduct function
	fmt.Println("Addition: ", addition)

	//prints the value of product from addAndProduct function
	fmt.Println("Product: ", product)

}
>>go run functionExample.go
>>3
>>Addition:  50
>>Product:  600