// ## Functions

package main

import "fmt"

func avg(vals []float64) float64 {
    total := 0.0
    for _, val := range vals {
        total += val
    }
    return total / float64(len(vals))
}

func main() {
    input := []float64{98, 93, 77, 82, 83}
    fmt.Println(input)
    output := avg(input)
    fmt.Println(output)
}