On 24 December 2011 16:10, Roy Smith <r...@panix.com> wrote: > In article <roy-aaaeea.10571424122...@news.panix.com>, > Roy Smith <r...@panix.com> wrote: > >> >>> len([x for x in zip(s1, s2) if x[0] != x[1]]) > > Heh, Ian Kelly's version: > >> sum(a == b for a, b in zip(str1, str2)) > > is cleaner than mine. Except that Ian's counts matches and the OP asked > for non-matches, but that's an exercise for the reader :-)
Here's a variation on the same theme: sum(map(str.__ne__, str1, str2)) -- Arnaud -- http://mail.python.org/mailman/listinfo/python-list
