保存指定目录及其子目录的jpg文件

import ostxt_path = 't1.txt'
f = open(txt_path, mode='a', encoding='utf-8')def all_path(dirname):
result = []
for maindir, subdir, file_name_list in os.walk(dirname):
for filename in file_name_list:
if '.jpg' in filename:
result.append(filename)
return resultjpg_path = 'E:\\transferData\\10-12.45WData'
for jpg_name in all_path(jpg_path):
f.write(jpg_name + '\n')