Python win32com xls文件和xlsx文件格式互相转换

def xls_xlsx(path):
    # 格式转换
    app = win32com.client.Dispatch('Excel.application')
    ao = app.Workbooks.Open(path)  # 打开要转换的excel
    # 另存为新文件
    new_excel_path = path.split(".")[:-1][0] + ".xlsx"
    print(new_excel_path)
    # ao.SaveAs(new_excel_path, FileFormat=51)  # 另存为xls格式
    # ao.Close()
    # app.Application.Quit()
def xlsx_xls(path):
    # 格式转换
    print(path)
    app = win32com.client.Dispatch('Excel.application')
    ao = app.Workbooks.Open(path)  # 打开要转换的excel
    # # 另存为新文件
    new_excel_path = path.split(".")[:-1][0] + ".xls"
    print(new_excel_path)
    ao.SaveAs(new_excel_path, FileFormat=56)  # 另存为xls格式
    ao.Close()
    app.Application.Quit()

if __name__ == '__main__':

    print(os.getcwd())
    # xls_xlsx(os.getcwd() +"\81导出.xls")
    xlsx_xls(os.getcwd()  + "\81导出.xlsx")