从两个多线字符串中获得差异的最佳方法是什么？
a = 'testing this is working \n testing this is working 1 \n'
b = 'testing this is working \n testing this is working 1 \n testing this is working 2'
diff = difflib.ndiff(a,b)
print ''.join(diff)
这会产生:
t e s t i n g t h i s i s w o r k i n g
t e s t i n g t h i s i s w o r k i n g 1
+ …