Python 查找指定目录下.txt文件并移动到指定目录

#coding=gb2312 
#!/usr/bin/python

import os
import sys
import os.path
from shutil import copy

for dirpath,dirnames,filenames in os.walk("f:/"):
    for filename in filenames:
        if os.path.splitext(filename)[1] == ".txt":
            filepath = os.path.join(dirpath,filename)
            print filepath
            copy(filepath,"F:/test/"+filename)