Python tkinter messagebox solution

import tkinter as tk
from tkinter import messagebox as msg
my_w = tk.Tk()
my_w.geometry("500x300")  # Size of the window 
my_val=''
def my_upd():
   # print(r1_v.get())
    if(r1_v.get()==1):
        my_val=msg.askokcancel("askokcancel","Select One Ok Cancel")
    elif(r1_v.get()==2):
        my_val=msg.askyesno("askyesno","Yes or No ")
    elif(r1_v.get()==3):
        my_val=msg.askretrycancel("asktrycancel","Select Try or Cancel")
    elif(r1_v.get()==4):
        my_val=msg.askyesnocancel("askyesnocancel","Select yes no cancel")    
    my_str.set(" : " + str(my_val))
    #print(my_val)

r1_v = tk.IntVar() # We used integer variable here 

r1 = tk.Radiobutton(my_w, text='askokcancel', variable=r1_v, value=1,command=my_upd)
r1.grid(row=1,column=1) 

r2 = tk.Radiobutton(my_w, text='askyesno', variable=r1_v, value=2,command=my_upd)
r2.grid(row=1,column=2)

r3 = tk.Radiobutton(my_w, text='askretrycancel', variable=r1_v, value=3,command=my_upd)
r3.grid(row=1,column=3)

r4 = tk.Radiobutton(my_w, text='askyesnocancel', variable=r1_v, value=4,command=my_upd)
r4.grid(row=1,column=4)

my_str = tk.StringVar()
l1 = tk.Label(my_w,  textvariable=my_str, width=10 )
l1.grid(row=2,column=2)
my_str.set('Details here')

my_w.mainloop()

import tkinter as tk
my_w = tk.Tk()
from tkinter import messagebox as msg
my_w.geometry("500x300")  # Size of the window 
my_val=''
def my_upd():
   # print(r1_v.get())
    if(r1_v.get()==1):
        my_title="Value = 1"
        my_msg="This is info Icon"
        my_icon="info"
    elif(r1_v.get()==2):
        my_title="Value = 2"
        my_msg="This is Question Icon"
        my_icon="question"
    elif(r1_v.get()==3):
        my_title="Value = 3"
        my_msg="This is Warning  Icon"
        my_icon="warning"
    elif(r1_v.get()==4):
        my_title="Value = 4"
        my_msg="This is Error Icon"
        my_icon="error"
    my_val=msg.showinfo(my_title,my_msg,icon=my_icon)
    

r1_v = tk.IntVar() # We used integer variable here 

r1 = tk.Radiobutton(my_w, text='info', variable=r1_v, value=1,command=my_upd)
r1.grid(row=1,column=1) 

r2 = tk.Radiobutton(my_w, text='question', variable=r1_v, value=2,command=my_upd)
r2.grid(row=1,column=2)

r3 = tk.Radiobutton(my_w, text='warning', variable=r1_v, value=3,command=my_upd)
r3.grid(row=1,column=3)

r4 = tk.Radiobutton(my_w, text='error', variable=r1_v, value=4,command=my_upd)
r4.grid(row=1,column=4)

my_w.mainloop()

#selection of default selected button in a askyesnocancel 
import tkinter as tk
from tkinter import messagebox as msg
my_w = tk.Tk()
my_w.geometry("500x300")  # Size of the window 
my_val=''
def my_upd():
   # print(r1_v.get())
    if(r1_v.get()==1):
        my_title="Value = 1"
        my_msg="Default Selection is Yes"
        my_button="yes"
    elif(r1_v.get()==2):
        my_title="Value = 2"
        my_msg="Default Selection is No"
        my_button="no"
    elif(r1_v.get()==3):
        my_title="Value = 3"
        my_msg="Default Selection is Cancel"
        my_button="cancel"
    
    my_val=msg.askyesnocancel(my_title,my_msg,default=my_button)
    

r1_v = tk.IntVar() # We used integer variable here 

r1 = tk.Radiobutton(my_w, text='Yes', variable=r1_v, value=1,command=my_upd)
r1.grid(row=1,column=1) 

r2 = tk.Radiobutton(my_w, text='No', variable=r1_v, value=2,command=my_upd)
r2.grid(row=1,column=2)

r3 = tk.Radiobutton(my_w, text='Cancel', variable=r1_v, value=3,command=my_upd)
r3.grid(row=1,column=3)

my_w.mainloop()