#   ChapterAnimation/colorSleep.py
"""  uses of sleep
"""
import random
import time  #for time.sleep(SECS)
from graphics import *

def randColor():
        r = random.randrange(256)      #red
        g = random.randrange(256)      #green
        b = random.randrange(256)      #blue
        return color_rgb(r,g,b)

def main():
        win = GraphWin( "Change color", 300,300)
        mycc = "red"
        while True:
                win.setBackground( mycc )
                time.sleep(3) 
                mycc = randColor()
               # Text(Point(150,150),mycc).draw(win)
main()