import pygame, time

pygame.init()
# The next line sets a screen going from 0 to 600 in each direction
screen = pygame.display.set_mode([601,601])
# This colors the background black
screen.fill([0,0,0])
pygame.display.flip()

pygame.draw.line(screen, [100,100,255], [0,0], [600,600],3)
pygame.display.flip()




raw_input("Press ENTER to close the graphics window")
pygame.quit()