Valeur de démarrage pysimplegui

import PySimpleGUI as sg

layout = [
    [sg.Slider(range=(0, 10), default_value=4, orientation='h')]
]

window = sg.Window(title="Zatrudnienie", layout=layout)


while True:
    event, values = window.read(timeout = 100)
    if event == sg.WIN_CLOSED:
        break

window.close()
czlowiek