Functions in Golang

funkyfunc.go

package main

import(
	"fmt"
)

func main() {

	var favoriteNumbers []float64

	favoriteNumbers = append(favoriteNumbers, 13.0)
	favoriteNumbers = append(favoriteNumbers, 27.0)
	favoriteNumbers = append(favoriteNumbers, 56.0)
	favoriteNumbers = append(favoriteNumbers, 3.0)
	favoriteNumbers = append(favoriteNumbers, 99.0)
	favoriteNumbers = append(favoriteNumbers, 15.0)

	averageFavoriteNumber := average(favoriteNumbers)

	// REFERENCE (String Formatting): https://gobyexample.com/string-formatting
	fmt.Printf("Average Favorite Number: %v", averageFavoriteNumber)
}

func average(numbers []float64) float64 {

	var sum float64 = 0

	for i := 0; i < len(numbers); i++ {
		sum += numbers[i]
	}

	mean := sum / float64(len(numbers))

	return mean
}