go语言圣经-入门

练习 1.1

package main

import (
	"fmt"
	"os"
	"strings"
)

func main() {
	fmt.Println(strings.Join(os.Args, " "))
}

练习 1.2

package main

import (
	"fmt" 
	"os"
)

func main() {
	for index, arg := range os.Args[1:] {
		fmt.Println(index, arg)
	}
}

练习 1.3