$ mkdir first_project
$ cd first_project
$ go mod init example/akozadaev/first_project
go: creating new go.mod: module example/akozadaev/first_project $ cat go.mod module example/akozadaev/first_project
Creatting main package
cat >> mailn.go
Write example code:
package main
import "fmt"
func main() { fmt.Println("Hello, world.") }