newbie: for loop within for loop question

[Calvin Spealman]

The sets module is no longer needed, as we have the built-in sets  
type. Its even getting a literal syntax soon.

As for the original problem, I agree on the homework smell.

On Jun 15, 2008, at 9:31 PM, takayuki wrote:

> Dennis,
>
> thanks for your reply.  unfortunately i accidentally posted only half
> of my question!  the "real" post should be up now.
>
> my apologies.
>
> takayuki
>
>
> On Jun 16, 10:15 am, Dennis Lee Bieber <wlfr... at ix.netcom.com> wrote:
>> On Sun, 15 Jun 2008 17:18:54 -0700 (PDT), takayuki
>> <lawtonp... at gmail.com> declaimed the following in comp.lang.python:
>>
>>> Hi everyone,
>>
>>> I'm studying python via the excellent "how to think like a python
>>> programmer" book by Allen Downey.  Noob question follows...
>>
>>> I have a txt file (animals.txt) which contains the following text  
>>> each
>>> on a separate line: aardvark, bat, cat, dog, elephant, fish,  
>>> giraffe,
>>> horse, inchworm, jackelope
>>
>>> I want to create a function that loops through the animals.txt file
>>> and does *not* print the word if any of the user specified  
>>> letters are
>>> in that word.
>>
>>> def hasnolet(x):
>>
>>         Hope this wasn't a homework assignment... It gave me my  
>> first excuse
>> to try the set module...
>>
>>>>> import sets
>>>>> words = [  "aardvark", "bat", "cat", "dog", "elephant", "fish" ]
>>>>> exclude = "want"
>>>>> excludeset = sets.Set(exclude)
>>>>> excludeset
>>
>> Set(['a', 't', 'w', 'n'])>>> for w in words:
>>
>> ...     if not excludeset.intersection(w):
>> ...             print w
>> ...
>> dog
>> fish
>>
>> --
>>         Wulfraed        Dennis Lee Bieber               KD6MOG
>>         wlfr... at ix.netcom.com              wulfr... at bestiaria.com
>>                 HTTP://wlfraed.home.netcom.com/
>>         (Bestiaria Support Staff:               web- 
>> a... at bestiaria.com)
>>                 HTTP://www.bestiaria.com/
>
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