If worsening, use command line parameters to find the mean.

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Package mainimport ("fmt"log"os"strconv") func average (numbers... float64) float64 {var sum float64 = 0 for _, number: = range numbers {sum + = number} return sum / float64 (len (numbers))} func main () {arguments: = os.Args [1:] var numbers [] float64 for _ Argument: = range arguments {number, err: = strconv.ParseFloat (argument, 64) if err! = nil {log.Fatal (err)} numbers = append (numbers, number)} fmt.Printf ("Average value is% 0.2f", average (numbers...))}

[root@VM-centos ~ / average] #. / main 100 200 300

Average value is 200.00

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