[파이썬] 문제 : tkinter 디지털 시계 만들기

import tkinter as tk
import datetime

root = tk.Tk()
root.geometry("400x100")
root.title("Clock")

def time_tick():
    now = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
    label.config(text=now)
    label.after(1000,time_tick)

label = tk.Label(root, font =('Gulim',20), text="text")
label.pack(pady = 20)

time_tick()

root.mainloop()