//go:build exclude 
package main

import "fmt"

func main() {

	var a int 
	var s string = "hello world " + "!!!"

	var c = 5

	a = a + 1

	b	:= 1
	b := []byte(a)
	c := string(b)

	_ = b
	_ = c

	fmt.Println("Hello Wordl", "qwe")
	fmt.Println(s)

	{
		d = d
	}

	d := 5
	f(d)
	fmt.Println(a, "1")


	// std lib
	a : = []byte{1,2,3,4}
	fmt.Println(hex.EncodeToString(a))

	crypto.MD5.New()

}


func f(str *int) {
	a=1
}