#!/usr/bin/env python import time import itertools __author__ = 'ty' INPUT = "The quick brown fox jumps over the lazy dog" print "Please enter '"+INPUT+"': \n" var = "" def compare(string1, string2, no_match_c=' ', match_c='|'): result_c = '' diff_count = 0 if len(string2) < len(string1): string1, string2 = string2, string1 for c1, c2 in itertools.izip(string1, string2): if c1 == c2: result_c += match_c else: result_c += no_match_c diff_count += 1 delta = len(string2) - len(string1) result_c += delta * no_match_c diff_count += delta return result_c, diff_count while var != "exit": try: before = time.time() var = raw_input() after = time.time() time_user_input = after-before if var == "exit": print "bye" else: result, n_diff = compare(INPUT, var, no_match_c='*') print result print INPUT print "used", time_user_input, "seconds,", "%d difference(s)." % n_diff, "\n" except EOFError: print "bye" var = "exit"