Python简单删除目录下文件以及文件夹的方法

#!/usr/bin/env python
import os
import shutil
filelist=[]
rootdir="/home/zoer/aaa"
filelist=os.listdir(rootdir)
for f in filelist:
  filepath = os.path.join( rootdir, f )
  if os.path.isfile(filepath):
    os.remove(filepath)
    print filepath+" removed!"
  elif os.path.isdir(filepath):
    shutil.rmtree(filepath,True)
    print "dir "+filepath+" removed!"