pressed_tuple = pygame.key.get_pressed()
if pressed_tuple[pygame.K_LEFT]:
    hero_rect.x -= 5
if pressed_tuple[pygame.K_RIGHT]:
    hero_rect.x += 5
if pressed_tuple[pygame.K_UP]:
    hero_rect.y -= 5
if pressed_tuple[pygame.K_DOWN]:
    hero_rect.y += 5