05. Average Number

package main

import "fmt"

func main() {
    var numberCount, number int
    fmt.Scanln(&numberCount)

    var sumNumbers = 0

    for i := 0; i < numberCount; i++ {
        fmt.Scanln(&number)
        sumNumbers += number
    }

    fmt.Printf("%.2f\n", float64(sumNumbers) / float64(numberCount))
}