Problems with string and lists (searching and replaceing)

[jblazi]

On Sun, 21 Sep 2003 20:40:30 +0200, Ulrich Petri wrote:

> def mastermind(word, guess):
>     if len(word) != len(guess):
>         return "Error"
>     ret = ["-"]*len(word)
>     counter = 0
>     for lw, lg in zip(word, guess):
>         if lw == lg:
>             ret[counter] = "x"
>         else:
>             if lg in word:
>                 ret[counter] = "."
>         counter += 1
>     return "".join(ret)

Thx.
The problem with this may be that for example

mastermind('xxaxx','ayayy')

returns 

.-x--

but I should like to have --x-- instead (at least I think so).

JB