import tkinter as tk
import time

root =tk.Tk()
root.title("Digital Clock")
root.geometry("400x200")
root.config(bg="black")

label = tk.Label(root, font=("Arial", 50,"bold"),fg="cyan",bg="black")
label.pack(anchor="center", expand=True)

def update_time():
    current_time = time.strftime("%H:%M:%S")
    label.config(text=current_time)
    label.after(1000, update_time)
    

update_time()
root.mainloop()