I am using Tkinter to make GUI. I included a messagebox in my code, here's the detail: from tkinter import * from tkinter.messagebox import * root=Tk() askyesno(message="Are you sure you want to choose this text file?") When the askyesno pops up, there are 2 buttons: Yes and No, but I want to customize these buttons to "OK" and "Cancel", for example. I have been looking for how to customize Tkinter messagebox buttons many times but I found nothing. Any help? Thanks Continue reading...