Loop exam.

loop.go

package main

import (
    "fmt"
    "strconv"
    "os"
)

func main () {
    start, _ := strconv.Atoi (os.Args[1])
    stop, _ := strconv.Atoi (os.Args[2])
    for i := start; i <= stop; i++ {
        fmt.Println (i)
    }
}