clock tkinter

import sys
from tkinter import *
import time
def timing():
    c = time.strftime("%H : %M : %S")
    clock.config(text=c)
    clock.after(200,timing)

root=Tk()
root.geometry("600x300")
clock=Label(root,font=("times",60,"bold"),bg="red")
clock.grid(row=2,column=2,pady=25,padx=100)
timing()
digital=Label(root,text="Clock",font="times 24 bold")
digital.grid(row=0,column=2)
nota=Label(root,text="hours          minutes          seconds",font="times 15 bold")
nota.grid(row=3,column=2)
root.mainloop()