Random Practice Python

from graphics import*;
import random;

window = GraphWin("rand doe",500,500)

while True:
    time.sleep(.1)
    r=random.randint(0,255)
    rg=random.randint(0,255)
    b=random.randint(0,255)
    emmett = color_rgb(r,rg,b)
    window.setBackground(emmett)
T1 = Text("EPILEPSY TIME",Point(250,250))
T1.setTextColor("black")
T1.setSize(20)
T1.draw(window)

window.getMouse()
window.close()