import pygame as pg
import sys
sc = pg. display. set_mode((300, 700))
sc. fill((0,0,0))
pg. draw. circle(sc, (250,250,250),(150,100),50)
pg. draw. circle(sc, (250,250,250),(150,50),30)
pg. draw. circle(sc, (250,250,250),(150,20),20)
pg. display. update()
while 1:
for i in pg. event. get():
if i. type == pg. QUIT:
sys. exit()
pg. time. delay(1000)