python删除特定文件的方法

#!/usr/bin/python
# -*- coding: utf-8 -*-
import os
def del_files(path):
  for root , dirs, files in os.walk(path):
    for name in files:
      if name.endswith(".CR2"):
        os.remove(os.path.join(root, name))
        print ("Delete File: " + os.path.join(root, name))
# test
if __name__ == "__main__":
  path = '/Users/yjatt/Downloads/1104/'
  del_files(path)