messageboxes.py
#!/usr/bin/python3
# -*- coding: utf-8 -*-
from tkinter import *
from tkinter import messagebox
root = Tk()
root.title('messagebox-Demo')
fr = Frame(root,width=500)
fr.pack(expand=YES, fill=BOTH)
# messageboxen ausprobieren
messagebox.showinfo('showinfo-Titel','showinfo')
messagebox.showwarning('showwarning-Titel','showwarning < 2w!')
messagebox.showerror('showerror-Titel','showerror')
messagebox.askyesno('askyesno-Titel','askyesno')
messagebox.askokcancel('askokcancel-Titel','askokcancel')
messagebox.askretrycancel('askretrycancel-Titel','askretrycancel')
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