import pygame,sys
from pygame.locals import *

pygame.init()

DISPLAYSURF=pygame.display.set_mode((400,300))
pygame.display.set_caption('Hello world!')

WHITE=(255,255,255)
GREEN=(0,255,0)
BLUE=(0,0,255)

fontObj = pygame.font.Font('freesansbold.ttf',32)
textSurfaceObj = fontObj.render('Hello world!',True,GREEN,BLUE)
textRectObj =textSurfaceObj.get_rect()
textRectObj.center=(200,150)


while True: # main game loop
    DISPLAYSURF.fill(WHITE)
    DISPLAYSURF.blit(textSurfaceObj,textRectObj)
    for event in pygame.event.get():
        if event.type==QUIT:
            pygame.quit()
            sys.exit()
    pygame.display.update()
