Steven and Alan, Thank you for your comments!
Alan said: >> Because you don't have a list comprehension. You can't put add arbitrary >> code inside a square brackets [ ]. You have to follow the syntax for a >> list comprehension: This helps me understand a lot when looking back, I thought that any operation done in place of defining the list literally was a list comprehension. I'm on wikipedia and a few tutorials now to refine and will post back when I've come up with the solution I'm looking for (and a comment as to if it's worth replacing a for loop with). Thanks again! Charles On Mon, Nov 21, 2011 at 7:04 PM, Alan Gauld <alan.ga...@btinternet.com> wrote: > On 22/11/11 00:10, Steven D'Aprano wrote: > >> Because you don't have a list comprehension. You can't put add arbitrary >> code inside a square brackets [ ]. You have to follow the syntax for a >> list comprehension: >> >> listcomp = [expression for name in sequence] >> >> not >> >> listcomp = [expression for name in sequence another_command] > > And being picky you can add a conditional after the loop: > >> listcomp = [expression for name in sequence if some_condition] > > But it must be an if test, nothing else will do. > > -- > Alan G > Author of the Learn to Program web site > http://www.alan-g.me.uk/ > > _______________________________________________ > Tutor maillist - Tutor@python.org > To unsubscribe or change subscription options: > http://mail.python.org/mailman/listinfo/tutor > _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor
