75_MessageBox.py

from tkinter import *
from tkinter import messagebox # import messagebox library

def click():
    #messagebox.showinfo(title='This is an info message box',message='You are a person')
    #messagebox.showwarning(title='WARNING!',message='You have A VIRUS!!!!')
    #messagebox.showerror(title='ERROR!',message='something went wrong :(')

    #if messagebox.askokcancel(title='ask ok cancel',message='Do you want to do the thing?'):
        #print('You did a thing')
    #else:
        #print('You canceled a thing! :(')

    #if messagebox.askretrycancel(title='ask ok cancel',message='Do you want retry the thing?'):
        #print('You retried a thing')
    #else:
        #print('You canceled a thing! :(')

    # if messagebox.askyesno(title='ask yes or no',message='Do you like cake?'):
    #     print('I like cake too :)')
    # else:
    #     print('why do you not like cake? :(')

    # answer = messagebox.askquestion(title='ask question',message='Do you like pie?')
    # if(answer == 'yes'):
    #     print('I like pie too :)')
    # else:
    #     print('why do you not like pie? :(')

    answer = messagebox.askyesnocancel(title=' Yes no cancel',message='Do you like to code?',icon='error') # we can set icon warning, info
    if(answer==True):
        print("You like to code :)")
    elif(answer==False):
        print("Then why are you watching a video on coding?")
    else:
        print("You have dodged a question ")
window = Tk()

button = Button(window,command=click,text='click me')
button.pack()

window.mainloop()