package main

import (
	"fmt"
	"time"
)

func delay_string(str string) {
	time.Sleep(100 * time.Millisecond)
	fmt.Println(str)
}

func main() {
	go delay_string("world!")
	fmt.Println("hello")
	// Added to avoid the program ending before the routine finished
	time.Sleep(100 * time.Millisecond * 2)

}