func (w *PostMan) GetUp() {
	fmt.Fprintf(outputWriter, "Getting up\n")
}
GetUp prints what the postman does to get up.
package behavioral
import (
	"fmt"
)
type WorkerInterface interface {
	GetUp()
	EatBreakfast()
	GoToWork()
	Work()
	ReturnHome()
	Relax()
	Sleep()
}
type Worker struct {
	WorkerInterface
}
func NewWorker(w WorkerInterface) *Worker {
	return &Worker{w}
}
func (w *Worker) DailyRoutine() {
	w.GetUp()
	w.EatBreakfast()
	w.GoToWork()
	w.Work()
	w.ReturnHome()
	w.Relax()
	w.Sleep()
}
type PostMan struct {
}