Not able to get the output 

import pygame, sys

from pygame.locals import *

pygame.init()

DISPLAYSURF = pygame.display.setcode((400,300), 0, 32)

pygame.display.set_caption(Drwaing)

BLACK = (0, 0, 0)

WHITE = (255, 255, 255)

RED = (255, 0, 0)

GREEN = (0, 255, 0)

BLUE = (0, 0, 255)

DISPLAYSURF.fill(WHITE)

pygame.draw.polygon(DISPLAYSURF, GREEN,((146,0), (291, 106), (236, 51))

pygame.draw.line(DISPLAYSURF, BLUE, (60, 60)(120, 120),4)

pygame.draw.line(DISPLAYSURF, BLUE, (120, 60)(60, 120))

pygame.draw.line(DISPLAYSURF, BLUE, (60, 120)(120, 120),4)

pygame.draw.circle(DISPLAYSURF, BLUE, (300, 50), 20,0)

pygame.draw.ellipse(DISPLAYSURF, RED, (300, 200, 40,80),1)

pygame.draw.rect(DISPLAYSURF, RED, (200,150,100,50))

pixObj = pygame.PixelArray(DISPLAYSURF)

pixObj[380][280] = BLACK

pixObj[382][282] = BLACK

pixObj[384][284] = BLACK

pixObj[386][286] = BLACK

pixObj[388][288] = BLACK

del picObj

while True:

for event in pygame.event.get():

if event.type == QUIT:

pygame.quit()

sys.exit()

pygame.display.update()