Super simple Tkinter clock. v0.1

simpleclock.py

# Super simple Tkinter clock. v0.1
# Public domain.
# 2021 Feb 13 - daftspaniel - www.casterbridge.xyz

import tkinter as tk
import time

class App():
    def __init__(self):
        self.root = tk.Tk()
        # Customise display of time here.
        self.time = tk.Label(text="",font=("Mono", 18), bg="black", fg="grey" )
        self.time.pack()
        self.update_time()
        self.root.geometry("+20+20") # Position Window at top left of screen
        self.root.mainloop()

    def update_time(self):
        self.time.configure(text=time.strftime("%H:%M:%S")) # Change to "%H:%M" if you don't want seconds.
        self.root.after(1000, self.update_time)

app=App()