import pygame

# Homework: draw a simple scene using shapes.
# The scene should have at least:
#   - A sky (rectangle filling the top half of the screen)
#   - A ground (rectangle filling the bottom half)
#   - A sun (circle near the top)
#   - One other shape of your choice (tree, house, cloud, etc.)
# All colors should be stored in named variables.

pygame.init()

screen = pygame.display.set_mode((640, 480))
pygame.display.set_caption("Simple Scene")

# TODO: define your color variables
SKY    = (135, 206, 235)
GROUND = ( 80, 140,  60)
SUN    = (255, 230,  50)

running = True
while running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False

    screen.fill((0, 0, 0))

    # TODO: draw sky, ground, sun, and one more shape

    pygame.display.flip()

pygame.quit()