def player:
    def __init__(self):
        self.sprite = image.load("picture.jpg")
        self.rect = self.sprite.get_rect()
        self.vx = 0
        self.vy = 0
   def update_and_display(self):
        # Assume the velocity in both direction is set (vx and vy)
        # Write code to move the object into the expected position

        # Here's the answer:
        self.rect.centerx += self.vx
        self.rect.centery += self.vy

        # Given
        screen.blit(self.sprite, self.rect)