the main game class import pygame set up global 'constantsframe_refresh_rate display_width display_height class game""represents the game itself and game playing loop ""def __init__(self)print('initialising pygame'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(def play(self)is_running true main game playing loop while is_runningwork out what the user wants to do for event in pygame event get()if event type =pygame quitis_running false elif event type =pygame keydownif event key =pygame k_qis_running false update the display pygame display update(defines the frame rate self clock tick(frame_refresh_ratelet pygame shutdown gracefully pygame quit(def main()print('starting game'game game(game play(print('game over'if __name__ ='__main__'main(