python 文本比较

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import difflib
from difflib import *

def compare(stream1,stream2):
    lines1 = stream1.splitlines()
    lines2 = stream2.splitlines()
    result=list(Differ().compare(lines1,lines2))
    print str(result)

if __name__ == '__main__':
    s1="hello\nword\nwww\n"
    s2="hello\nworld"
    compare(s1,s2)