<s> from constants import * <EOL> class Bg ( pygame . sprite . Sprite ) : <EOL> def __init__ ( self , x , y , width , height , bg_image ) : <EOL> pygame . sprite . Sprite . __init__ ( self ) <EOL> self . image = pygame . image . load ( bg_image ) <EOL> self . rect = self . image . get_rect ( ) <EOL> self . rect . x = x <EOL> self . rect . y = y <EOL> def update ( self ) : <EOL> pass <EOL> def move ( self , target ) : <EOL> return self . rect . move ( target . rect . x - <NUM_LIT:2> , self . rect . y ) </s>
