>>>a = '1234 5678 1 233 476' >>>a.split() ['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. John 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 > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
