pygame画圆（需pygame库）

pygame画圆（需pygame库）

import pygame
from pygame.locals import *
pygame.init()
screen=pygame.display.set_mode((600,500))
pygame.display.set_caption("Drawing Circles")
while True:
    for event in pygame.event.get():
        if event.type in(QUIT,KEYDOWN):
            sys.exit()
    screen.fill((0,0,200))
    #draw a circle
    color = 255,255,0
    position=300,250
    radius=100
    width=10
    pygame.draw.circle(screen,color,position,radius,width)
    pygame.display.update()