On Sat, Dec 24, 2011 at 8:26 AM, <tinn...@isbd.co.uk> wrote: > Can anyone suggest a simple/easy way to count how many characters have > changed in a string? > > E.g. giving results as follows:- > > abcdefg abcdefh 1 > abcdefg abcdekk 2 > abcdefg gfedcba 6 > > > Note that position is significant, a character in a different position > should not count as a match. > > Is there any simpler/neater way than just a for loop running through > both strings and counting non-matching characters?
No, but the loop approach is pretty simple: sum(a == b for a, b in zip(str1, str2)) -- http://mail.python.org/mailman/listinfo/python-list
