Python Graphics Growing Text

from graphics import*;

window = GraphWin("Growing Text doe",500,500)
window.setBackground("black")

T1 = Text(Point(250,250),"THIKTHOK")
T1.setTextColor("white")
T1.draw(window)

for x in range(5,36):
    time.sleep(0.05)
    T1.setSize(x)
    if x == 36:
        x = x - 31

window.getMouse()
window.close()