[Tutor] creating the equivalent of string.strip()

[Andrew James]

And as soon as I send it again I realise a pretty stupid error. The two 
loops shouldn't be nested.

Andrew James wrote:
> Helps if I send it to the group...
>
> And Kent, I didn't post it originally because I figured the other guy 
> was still working on his script. Besides, I didn't think it'd be that 
> far fetched for you to assume I was using something like "while s[0] 
> == ' ':"
>
> Andrew James wrote:
>> I'm always nervous about sharing my code... It's like being back in 
>> high school, I don't want the other kids to laugh at me. Anyway, 
>> running that in IDLE with a string such as '                      
>> testing.          ' Will print '                    testing' at the 
>> end of the first (second, really) loop.
>>
>> def strip(s):
>>    while s[0].isspace() == True:
>>        while s[-1].isspace() == True:
>>            s = s[:-2]
>>            print s
>>        s = s[1:]
>>        print s
>>
>> test = raw_input('Enter a string with plenty of leading and trailing 
>> whitespace:')
>>
>> strip(test)
>>
>> Alan Gauld wrote:
>>> "Andrew James" <aijames at exemail.com.au> wrote
>>>
>>>  
>>>> string containing a single space ' ' but even using s[-1].isspace() I
>>>> lose punctuation marks. Any idea why that's happening?
>>>>     
>>>
>>> care to show us what you are doing?
>>>
>>>  
>>>>>> ';'.isspace()
>>>>>>         
>>> False
>>>
>>> So puntuation should not show up as true...
>>>
>>> Alan G.
>>>
>>>
>>> _______________________________________________
>>> Tutor maillist  -  Tutor at python.org
>>> http://mail.python.org/mailman/listinfo/tutor
>>>
>>>
>>>   
>>
>