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print('欢迎使用测试版OS,输入help可获得帮助！')
ce = open(r'C:\Users\deli\Desktop\OS\用户名.txt')
zhuangtai = 1
print('用户名: %s' % ce.read())
while zhuangtai == 1:
      q = input('请输入指令:')
      if q == 'help':
            print('shutdown(关闭)\nwrite(写文件)')
      elif q == 'write':
            a = input('请输入你想要的状态 阅读(Y)写入(X)')
            if a == 'Y':
                  b = open(r'C:\Users\deli\Desktop\OS\文件.txt')
                  print(b.read())
                  b.close()
            else:
                  b = open(r'C:\Users\deli\Desktop\OS\文件.txt','r+')
                  bc = input('请输入你要添加的字符串:')
                  b.seek(0,2)
                  b.write(bc)
                  b.close()
                  print('写入成功!')
      elif q == 'shutdown':
            import time
            print('正在关闭···')
            time.sleep(3)
            zhuangtai = 0

 

是不是看到了open函数？没错，是有文件辅助的！

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