3_4_blank.go

package main

import (
	"database/sql"
	"fmt"

	_ "github.com/go-sql-driver/mysql"
)

func main() {
	db, err := sql.Open("mysql", "user:password@/database")
	if err != nil {
		panic(err.Error()) // Just for example purpose. You should use proper error handling instead of panic
	}
	defer db.Close()

	fmt.Println(db.Ping())
}