P86代码报错求助

CD84380973

import pygame
import sys
from pygame.locals import *
from random import *

class Ball(pygame.sprite.Sprite):
    def __init__(self,image,position,speed):
        pygame.sprite.Sprite.__init__(self)

        self.image = pygame.image.load(image).convert_alpha()
        self.rect = self.image.get_rect()
        self.rect.left,self.rect.top = position
        self.speed = speed

def main():
    pygame.init()

    ball_image = "gray_ball2.png"
    bg_image = 'bg.png'

    running = True

    bg_size = width,height = 1159,1081
    screen = pygame.display.set_mode(bg_size)
    pygame.display.set_caption('Play the ball - FishC Demo')

    background = pygame.image.load(bg_image).convert_alpha()


    balls = []

    for i in range(5):
        position = randint(0,width-100),randint(0,height-100)
        speed = [randint(-10,10),randint(-10,10)]
        ball = Ball(ball_image,position,speed)
        balls.append(ball)

    clock = pygame.time.Clock()

    while running:
        for event in pygame.event.get():
            if event.type == QUIT:
                sys.exit()

        screen.blit(background)

        for each in balls:
            screen.blit(each.image,each.rect)

        pygame.display.flip()
        clock.tick(30)

        


if __name__ == "__main__":
    main()


Traceback (most recent call last):
  File "C:\Users\ASUS\Desktop\python\p86\main.py", line 57, in <module>
    main()
  File "C:\Users\ASUS\Desktop\python\p86\main.py", line 45, in main
    screen.blit(background)
TypeError: function missing required argument 'dest' (pos 2)

CD84380973

问题解决了，谢谢