quiz.go

package main
import (
	"fmt"
	"sync"
)
var wg sync.WaitGroup
func myFunc(msg string) {
	fmt.Println(msg)
}
func main() {
	wg.Add(3)
	go myFunc("1st call")
	go myFunc("2nd call")
	go myFunc("3rd call")
	wg.Wait()
	fmt.Println("Main ended...")
}