Python Tkinter – MessageBox Widget

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Python offers multiple options for developing GUI (Graphical User Interface). Out of all the GUI methods, tkinter is the most commonly used method. It is a standard Python interface to the Tk GUI toolkit shipped with Python. Python with tkinter is the fastest and easiest way to create the GUI applications. Creating a GUI using tkinter is an easy task.

Note: For more information, refer to Python GUI – tkinter

MessageBox Widget

Python Tkinter – MessageBox Widget is used to display the message boxes in the python applications. This module is used to display a message using provides a number of functions.

Syntax:

messagebox.Function_Name(title, message [, options])

Parameters:
There are various parameters :

Function_Name: This parameter is used to represents an appropriate message box function.
title: This parameter is a string which is shown as a title of a message box.
message: This parameter is the string to be displayed as a message on the message box.
options: There are two options that can be used are:
1. default: This option is used to specify the default button like ABORT, RETRY, or IGNORE in the message box.
2. parent: This option is used to specify the window on top of which the message box is to be displayed.

Function_Name:
There are functions or methods available in the messagebox widget.

showinfo(): Show some relevant information to the user.
showwarning(): Display the warning to the user.
showerror(): Display the error message to the user.
askquestion(): Ask question and user has to answered in yes or no.
askokcancel(): Confirm the user’s action regarding some application activity.
askyesno(): User can answer in yes or no for some action.
askretrycancel(): Ask the user about doing a particular task again or not.

Example:

from tkinter import * 
from tkinter import messagebox 
  
root = Tk() 
root.geometry("300x200") 
  
w = Label(root, text ='GeeksForGeeks', font = "50")  
w.pack() 
  
messagebox.showinfo("showinfo", "Information") 
  
messagebox.showwarning("showwarning", "Warning") 
  
messagebox.showerror("showerror", "Error") 
  
messagebox.askquestion("askquestion", "Are you sure?") 
  
messagebox.askokcancel("askokcancel", "Want to continue?") 
  
messagebox.askyesno("askyesno", "Find the value?") 
  
messagebox.askretrycancel("askretrycancel", "Try again?")   
  
root.mainloop()