import pygame
from pygame.locals import *
 
yellow = (255,255,0) # RGB color tuple
 
# initialize screen
pygame.init()
screen = pygame.display.set_mode((350, 250))
pygame.display.set_caption('Basic Pygame program')
 
# fill background
background = pygame.Surface(screen.get_size())
background = background.convert()
background.fill(yellow)
 
# display some text
font = pygame.font.Font(None, 36)
text = font.render("Hello from Monty PyGame", 1, (10, 10, 10))
textpos = text.get_rect()
textpos.centerx = background.get_rect().centerx
background.blit(text, textpos)
 
# blit everything to the screen
screen.blit(background, (0, 0))
pygame.display.flip()
 
# event loop
while 1:
    for event in pygame.event.get():
        if event.type == QUIT:
            raise SystemExit
        screen.blit(background, (0, 0))
        pygame.display.flip()

# fooling around with pygame --> draw/fill some rectangles
 
import pygame as pg
 
# initiate pygame first
pg.init()
 
#create a 400x300 window
screen = pg.display.set_mode((400, 300))
# give it a title
pg.display.set_caption('Draw/fill rectangles using pygame')
 
# some color constants
white = 0xFFFFFF
red = 0xFF0000
green = 0x00FF00
blue = 0x0000FF
yellow = 0xFFFF00
 
#draw/fill a 77x33 rectangle in position x=250, y=50 (NW corner)
screen.fill(white, (250, 50, 77, 33))
 
# more rectangles, vary color, size, position ...
screen.fill(red, (30, 20, 70, 120))
screen.fill(red, (140, 70, 90, 80))
screen.fill(green, (150, 80, 70, 60))
screen.fill(yellow, (200, 170, 150, 60))
screen.fill(blue, (70, 200, 100, 70))
 
# hey, nothing gets displayed until one updates the screen
pg.display.update()
 
# create the event loop to get things going
# and specify an exit action (clicking on the window x)
while True:
    for event in pg.event.get():
        if event.type == pg.QUIT:
            raise SystemExit

import pygame
a = pygame.display.set_mode((400, 300))
# the surface window appears in both cases
# it's grey and unavailable when I invoke python.exe (Windows version) from bash
# the background is filled with black, but still unavailable when I invoke python.exe from CMD
pygame.draw.circle(a, (255, 255, 255), (100, 100), 20)
pygame.display.flip()
# nothing happens
pygame.quit()
# surface window eventually disappears
# under CMD -only-, the white circle appears briefly just before the window closes
# under bash, no change is observed before closing

import pygame
 
pygame.init()
a = pygame.display.set_mode((300, 300))
 
pygame.draw.circle(a, (255, 255, 255), (100, 100), 20)
pygame.display.update()
 
foo = raw_input() # could just as well have used sleep()
 
pygame.quit()
quit()

pygame.display.flip()

# a simple pygame example
# creates a white circle on a black background
# the event loop makes exit from the program easier
 
import pygame
 
pygame.init()
 
# create a 300 x 300 display window
win = pygame.display.set_mode((300, 300))
 
white = (255, 255, 255)
center = (100, 100)
radius = 20
pygame.draw.circle(win, white, center, radius)
 
# this puts the circle on the display window
pygame.display.flip()
 
# event loop and exit conditions (windows x click)
while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            raise SystemExit