[Tutor] The better Python approach

jadrifter jadrifter at gmail.com
Wed Jan 21 14:40:00 CET 2009

>>>a = '1234 5678 1 233 476'
['1234', '5678', '1', '233', '476']

Where the '>>>' are the command prompt from python.  Don't type those.
A space is the default split delimiter.  If you wish to use a '-' or new
line feed them as strings to the split  method.


On Wed, 2009-01-21 at 08:33 -0500, Robert Berman wrote:
> Good Morning,
> Given a string consisting of numbers separated by spaces such as '1234 
> 5678 1 233 476'. I can see I have two obvious choices to extract or 
> parse out the numbers. The first relying on iteration so that as I 
> search for a blank, I build a substring of all characters found before 
> the space and then, once the space is found, I can then use the int(n) 
> function to determine the number.  From my C++ background, that is the 
> approach that seems not only most natural but also most 
> efficient......but....the rules of Python are different and I easily see 
> that I can also search for the first blank, then using the character 
> count, I can use the slice operation to get the characters. Of even 
> further interest I see a string built-in function called split which, I 
> think, will return all the distinct character sub strings for me.
> My question is what is the most correct python oriented solution for 
> extracting those substrings?
> Thanks,
> Robert Berman
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