the starshipmeteors game self display_height self height def __str__(self)return 'starship(str(self 'str(self ')class meteor(gameobject)""represents meteor in the game ""def __init__(selfgame)self game game self random randint( display_widthself initial_meteor_y_location self speed random randint( max_meteor_speedself load_image('meteor png'def move_down(self)""move the meteor down the screen ""self self self speed if self display_heightself def __str__(self)return 'meteor(str(self 'str(self ')class game""represents the game itselfholds the main game playing loop ""def __init__(self)pygame init(set up the display self display_surface pygame display set_mode((display_widthdisplay_height)pygame display set_caption('starship meteors'used for timing within the program self clock pygame time clock(set up the starship self starship starship(selfset up meteors self meteors [meteor(selffor in range( initial_number_of_meteors)def _check_for_collision(self)""checks to see if any of the meteors have collided with the starship ""result false for meteor in self meteorsif self starship rect(colliderect(meteor rect())result true