import pygame
from pygame.locals import *

pygame.init()

white = (255, 255, 255)
black = (0, 0, 0)
yellow = (255, 255, 0)

screenwidth = 800
screenheight = 600
screensize = [screenwidth, screenheight]
screen = pygame.display.set_mode(screensize)
pygame.display.set_caption("WINDOW TITLE HERE")

clock = pygame.time.Clock()

facex = 50
facey = 50

def handle_keys():
    global facex, facey
    keys = pygame.key.get_pressed()

    if keys[K_LEFT]:
        # move the face to the left
        facex -= 5
    if keys[K_RIGHT]:
        # move the face to the right
        facex += 5
    if keys[K_UP]:
        # move the face up
        facey -= 5
    if keys[K_DOWN]:
        # move the face down
        facey += 5

done = False

while not done:
    # 1. Process events
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            done = True
    handle_keys()

    # 2. Program logic, change variables, etc.

    # 3. Draw stuff
    screen.fill(white)

    # Draw the head
    pygame.draw.ellipse(screen, yellow, [facex, facey, 400, 400], 0)
    pygame.draw.ellipse(screen, black, [facex, facey, 400, 400], 2)

    # Draw the eyes
    pygame.draw.ellipse(screen, black, [facex + 95, facey + 95, 50, 50], 0)
    pygame.draw.ellipse(screen, black, [facex + 250, facey + 95, 50, 50], 0)

    # Draw the mouth
    pygame.draw.line(screen, black, [facex + 125, facey + 290],
                                    [facex + 275, facey + 290], 6)

    # Flip the buffer and do short delay to maintain framerate
    pygame.display.flip()
    clock.tick(20)

pygame.quit()