# -*- coding: utf-8 -*-"""@author: yinggang zhangchange the the file name in a dictionary"""import osdef changelastname(all_list_in_adir,readdir):    ‘‘‘change the last name in a dictionary‘‘‘    os.chdir(readdir)    newlast = input(‘what last name you want ?‘)    for subfile in all_list_in_adir:        remain = subfile.split(‘.‘)[0]        os.renames(subfile,remain+‘.‘+newlast)def changename(all_list_in_adir,readdir):    ‘‘‘change the file name in a dictionary‘‘‘    os.chdir(readdir)    newname_number = 1    nameword = input(‘please input the name,computer will do the number after the word!‘)    for subfile in all_list_in_adir:        newname = str(nameword)+‘%d‘ % newname_number        remain = subfile.split(‘.‘)[1]        os.renames(subfile, newname + ‘.‘ + remain)        newname_number += 1dictionary_place = str(input(‘copy the dictionary path and paste here‘))all_list = os.listdir(dictionary_place)print(all_list)userchoice = int(input(‘you want to change the file name(1) or the last name(2),type the number 1 or 2:‘))if userchoice == 1:    print(‘you are changing the file name!‘)    changename(all_list,dictionary_place)if userchoice == 2:    print(‘you are changing the last name!‘)    changelastname(all_list,dictionary_place)