On 13/10/2014 18:48, John Gordon wrote:
In <3be64ca8-d2e7-493a-b4f3-ef114f581...@googlegroups.com> Rff
<rw...@avnera.com> writes:
Hi,
I have a text file. Now it is required to select every other line of that
text to generate a new text file. I have read through Python grammar, but
still lack the idea at the beginning of the task. Could you tell me some
methods to get this?
Initialize a counter variable to zero. (Or one, depending if you want to
select odd or even lines.)
Each time you read a line from the file, add one to the counter.
If the counter is odd, process the line; otherwise use the 'continue'
statement to start the loop over and read another line.
Why bother to initialise a counter when you can get the enumerate
function to do all the work for you?
--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.
Mark Lawrence
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