Create a digital clock using Turtle in Python

import time
import datetime as dt
import turtle
  

# create a turtle to display time
timet = turtle.Turtle()
 
# create a turtle to create rectangle box
rectt = turtle.Turtle()
 
# create screen
screen = turtle.Screen()
 
# set background color of the screen
screen.bgcolor("yellow")
  
# current hour, minute and second
sec = dt.datetime.now().second
min = dt.datetime.now().minute
hr = dt.datetime.now().hour
rectt.pensize(5)
rectt.color('black')
rectt.penup()
  
# set the position of turtle
rectt.goto(-20, -5)
rectt.pendown()
  
# create rectangular box
for i in range(2):
    rectt.forward(200)
    rectt.left(90)
    rectt.forward(70)
    rectt.left(90)
     
# hide the turtle
rectt.hideturtle()
 
while True:
    timet.hideturtle()
    timet.clear()
    # display the time
    timet.write(str(hr).zfill(2)
            +":"+str(min).zfill(2)+":"
            +str(sec).zfill(2),
            font =("Arial Narrow", 40, "bold"))
    time.sleep(1)
    sec+= 1
     
    if sec == 60:
        sec = 0
        min+= 1
     
    if min == 60:
        min = 0
        hr+= 1
     
    if hr == 13:
        hr = 1