Simple clock update for PySimpleGUI

simple_clock_psg.py

"""
    A simple clock demonstration in PySimpleGUI
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"""

import PySimpleGUI as sg
from datetime import datetime

layout = [[sg.Text(text=datetime.now().strftime('%I:%M:%S'), key='-CLOCK-')]]

window = sg.Window('Clock', layout=layout)

while True:
    event, values = window.read(1000)
    current = datetime.now().strftime('%I:%M:%S')
    window['-CLOCK-'].update(current)