import pygame, sys 
from pygame.locals import * 
 
#set up pygame 
pygame.init() 
 
windowSurface = pygame.display.set_mode((500, 400), 0, 32) 
pygame.display.set_caption("hello, world") 
 
BLACK = (0, 0, 0) 
WHITE = (255, 255, 255) 
RED = (255, 0, 0) 
GREEN = (0, 255, 0) 
BLUE = (0, 0, 255) 
 
basicFont = pygame.font.SysFont(None, 48) 
text = basicFont.render("Hello ,world", True, WHITE, BLUE) 
textRect = text.get_rect() 
 
textRect.centerx = windowSurface.get_rect().centerx 
textRect.centery = windowSurface.get_rect().centery 
 
windowSurface.fill(WHITE) 
 
pygame.draw.polygon(windowSurface, GREEN, ((146, 0),  
(291, 106), (236, 277), (56, 277), (0, 106)))  
 
pygame.draw.line(windowSurface, BLUE, (60, 60), (120,  
60), 4)  
pygame.draw.line(windowSurface, BLUE, (120, 60), (60,  
120))  
pygame.draw.line(windowSurface, BLUE, (60, 120), (120,  
120), 4)  
pygame.draw.circle(windowSurface, BLUE, (300, 50), 20, 0) 
 
pygame.draw.ellipse(windowSurface, RED, (300, 250, 40,  
80), 1)  
 
pygame.draw.rect(windowSurface, RED, (textRect.left - 20,  
textRect.top - 20, textRect.width + 40, textRect.height + 40)) 
 
pixArray = pygame.PixelArray(windowSurface)  
pixArray[480][380] = BLACK  
del pixArray  
 
windowSurface.blit(text, textRect)  
 
pygame.display.update() 
 
while True:  
  for event in pygame.event.get():  
    if event.type == QUIT:  
      pygame.quit()  
      sys.exit()