import pygame
import sys
pygame.init()


display = pygame.display.set_mode((300,300))
display.fill((255,255,255))

pygame.draw.circle(display, (0,0,255), 
                    center = (150,150), radius = 100, width = 0)

while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()
        pygame.display.update()