[Tutor] Python challenges

[Chris Smith]

>
>> Anyone have a gentle hint, or pointer to another 'beginner' tutorial
>> to regular expressions?
>>
>> Thanks! I dont want to get stuck here in the riddles!
>>
>
> How about counting how many times each character is used and look for 
> the ones that are used infrequently (like only once). Dictionaries can 
> do this.
>

Oops! Please disregard this irrelevant advice.

wishin-for-an-unsend,
/c