import pgzrun TITLE = "Paf l'oiseau" WIDTH = 400 HEIGTH = 708 birdie = actor('bird2', midtop=(, )) birdie.x_direction = 1 # rigth birdie.y_direction = 1 # down birdie.speed = 1 def draw(): screen.blit('cascade',(0, 0)) birdie.draw() pgzrun.go()