python写外星人大战，创造一个外星人的时候代码是对的，就是创造一排外星人时出错了

1. import pygame
   from setting import Setting
   from fc import Ship
   import gf
   from pygame.sprite import Group
   
   
   def rg():
       pygame.init()
       aiis=Setting()
       s=pygame.display.set_mode((aiis.sw,aiis.sh))
       pygame.display.set_caption('王琦大战丁浩')
       fc=Ship(aiis,s)
       bs=Group()
       ws=Group()  #???
       gf.wxrq(aiis, s, ws) #???
   
       while True:
           gf.ce(aiis,s,fc,bs)
           fc.ud()
           gf.shangchuzidan(bs)
           gf.us(s, aiis, fc, bs,ws)  #???
   rg()

2. import pygame
   import sys
   from bt import Bt
   from wxr import Wxr
   
   def cde(e,aiis,s,fc,bs):
       if e.key == pygame.K_RIGHT:
           fc.mr = True
       elif e.key == pygame.K_LEFT:
           fc.ml = True
       elif e.key == pygame.K_UP:
           fc.mu = True
       elif e.key == pygame.K_DOWN:
           fc.md = True
   
       elif e.key == pygame.K_SPACE:
           zidan(aiis, s, fc, bs)
   
       elif e.key == pygame.K_q:
           sys.exit()
   
   def zidan(aiis,s,fc,bs):
       if len(bs) < aiis.zidanshu:
           nb = Bt(aiis, s, fc)
           bs.add(nb)
   
   def cue(e,fc):
       if e.key == pygame.K_RIGHT:
           fc.mr = False
       elif e.key == pygame.K_LEFT:
           fc.ml = False
       elif e.key == pygame.K_UP:
           fc.mu = False
       elif e.key == pygame.K_DOWN:
           fc.md = False
   
   def ce(aiis,s,fc,bs):
       for e in pygame.event.get():
           if e.type==pygame.QUIT:
               sys.exit()
   
           elif e.type==pygame.KEYDOWN:
               cde(e,aiis,s,fc,bs)
   
           elif e.type==pygame.KEYUP:
               cue(e,fc)
   
   def us(s,aiis,fc,bs,ws):
       s.fill(aiis.sc)
       for bt in bs.sprites():
           bt.huajuxing()
       fc.hz()
       ws.draw(s) #？？？
       pygame.display.flip()
   
   def shangchuzidan(bs):
       bs.update()
       for bt in bs.copy():
           if bt.r.bottom <= 0:
               bs.remove(bt)
   
   def wxrq(aiis,s,ws):  #？？？  这整个函数都是新建的
       wxr=Wxr(aiis,s)
       ww=wxr.zpr.width
       wsx=aiis.sw-2*ww
       nax=int(wsx/(2*ww))
   
       for na in range(nax):
           wxr = Wxr(aiis,s)
           wxr.zpx=ww+2*ww*na
           wxr.zpr.x=wxr.zpx
           ws.add(wxr)

我把改过的都用？？？标出来，就改了两个文件，都是根据书上弄的，为什么运行的时候就显示AttributeError: 'Dinghao' object has no attribute 'image'

这个错误呢！这个'Dinghao'是我的那个外星人的类，我把名字改了一下

你先按书上的代码跑一遍，看程序有没有问题，没有问题你再自己修改一下。

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