import pygame
from sys import exit

pygame.init()
display = pygame.display.set_mode((800, 600))
tree_x = 300
tree_y = 300
tree_speed = 5

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

    keys = pygame.key.get_pressed()
    if keys[pygame.K_LEFT]:
        tree_x -= tree_speed
    if keys[pygame.K_RIGHT]:
        tree_x += tree_speed
    if keys[pygame.K_UP]:
        tree_y -= tree_speed
    if keys[pygame.K_DOWN]:
        tree_y += tree_speed

    pygame.draw.rect(display, (0, 128, 255), pygame.Rect(tree_x, tree_y, 30, 30))

    screen.fill((255, 255, 255))



    pygame.display.flip()


pygame.quit()
sys.exit()