This is what I came up with

import tkinter as tk

def notifyTkInter(message):
    root = tk.Tk()
    root.geometry('400x100+1500+900')
    lbl = tk.Message(root,  fg='black', border=1, text=message, width=200, font=("Arial", 15))
    lbl.pack()
    root.mainloop()

notifyTkInter("Hello World")