multiplegoroutine.go

package main

import (  
    "fmt"
    "time"
)

func printnumbers() {  
    for i := 1; i <= 5; i++ {
        time.Sleep(250 * time.Millisecond)
        fmt.Printf("%d ", i)
    }
}

func printletters() {  
    for i := 'a'; i <= 'e'; i++ {
        time.Sleep(400 * time.Millisecond)
        fmt.Printf("%c ", i)
    }
}

func main() {  
    go printnumbers()
    go printletters()
    time.Sleep(5000 * time.Millisecond)
    fmt.Println("Printing from main")
}