the image file you choose in the images folder figure - the alien we'll use to build the fleet creating the alien class now we'll write the alien classalien py import pygame from pygame sprite import sprite class alien(sprite)""" class to represent single alien in the fleet ""def __init__(selfai_settingsscreen)"""initialize the alien and set its starting position ""super(alienself__init__(self screen screen self ai_settings ai_settings load the alien image and set its rect attribute self image pygame image load('images/alien bmp'self rect self image get_rect( start each new alien near the top left of the screen self rect self rect width self rect self rect height store the alien' exact position self float(self rect xdef blitme(self)"""draw the alien at its current location ""self screen blit(self imageself rectaliens