python在指定路径下获取指定类型文件路径

#!/usr/bin/env python # -*- coding: utf-8 -*- import osimport sysimport fnmatch#########start在指定路径下获取指定类型文件路径############def search_files(path, fnexps):    for root, dirs, files in os.walk(path):        for fnexp in fnexps.split('|'):            for filename in fnmatch.filter(files, fnexp):                yield os.path.join(root, filename)#########end在指定路径下获取指定类型文件路径############if __name__ == "__main__":     print list(search_files("Y:/","*.mkv|*.iso"))