问Tkinter消息对话框是否使用复选框问否？

EN

from tkinter import *

def popup():
    popupWin = Toplevel()
    popupWin.title(“Continue?”)

    checkVariable = IntVar()
   
    lbl = Label(popupWin, text=“Continue?)
    lbl.pack()
   
    btn2 = Button(popupWin, text=“Yes”)
    btn2.pack()
   
    btn3 = Button(popupWin, text=“No”)
    btn3.pack()

    checkBox = Checkbutton(popupWin, text=“Don’t ask again”, variable=checkVariable)

root = Tk()

btn = Button(root, text=Message Box, command=popup)

root.mainloop()