def ndiff(a, b, linejunk=None, charjunk=IS_CHARACTER_JUNK):
 return Differ(linejunk, charjunk).compare(a, b)

def ndiff ( a , b , linejunk = None , charjunk = IS_CHARACTER_JUNK ) : return Differ ( linejunk , charjunk ) . compare ( a , b )
compare a and b ; return a differ-style delta .