import  sys 
import pygame
from pygame.locals import *
import time
pygame.init()
screen=pygame.display.set_mode((500,550))
myfont=pygame.font.Font(None,30)
red=(255,0,0)
green=(0,255,0)
textImage=myfont.render(time.strftime("%Y-%m-%d  %H:%M:%S", time.localtime()),True,red)
myclock=time.clock()
while True:
    for myevent in pygame.event.get():
        if myevent.type in (QUIT,KEYDOWN):
            sys.exit()
    myclock=time.clock()        
    if myclock>5:
        textImage=myfont.render(time.strftime("%Y-%m-%d  %H:%M:%S", time.localtime()),True,red)
        
    screen.fill(green)
    screen.blit(textImage,(90,90))

    pygame.display.update()

import  sys 
import pygame
from pygame.locals import *
import time
pygame.init()
screen=pygame.display.set_mode((500,550))
myfont=pygame.font.Font(None,30)
red=(255,0,0)
green=(0,255,0)
blue=(0,0,255)
radius=10
screen.fill(green)
pygame.draw.circle(screen,red,(200,250),radius,2)
pygame.display.update()
while True:
    for myevent in pygame.event.get():
        if myevent.type in (QUIT,KEYDOWN):
            sys.exit()
    radius+=10
    radius=radius % 200
    print radius
    pygame.draw.circle(screen,red,(200,250),radius,2)
    pygame.draw.rect(screen,blue,(int(radius/2),int(radius/2),radius,radius),0)
    pygame.display.update()
    time.sleep(10)