python doc另存为docx

from docx import Document
#from docx.shared import Inches
from win32com import client as wc #导入模块
file = \'C:\\Users\\Administrator\\Desktop\\999999.doc\'
word = wc.Dispatch("Word.Application") # 打开word应用程序
doc = word.Documents.Open(file) #打开word文件
doc.SaveAs("{}x".format(file), 12)#另存为后缀为".docx"的文件，其中参数12指docx文件
doc.Close() #关闭原来word文件
word.Quit()
file_new = file+\'x\'
document = Document(file_new)  #打开文件demo.docx
text = \'\'
for paragraph in document.paragraphs:
    text += paragraph.text  #打印各段落内容文本
print(text)