[Tutor] OK here goes nothing [list manipulation]

[Wesley Chun]

On Mon, 14 Jan 2002, Danny Yoo wrote:
>
> > print "-----------------------------------------------------"
>
> There's an easier way to do this:
>
> print '-' * 60

everyone has such great ideas.  i thought i would just elaborate
a little on danny's suggestion, which is an oldie but goodie!!

if this print statement is inside a loop, the Python virtual
machine (VM) has to execute 60 string concatenations each time,
which may (or may not) affect performance.  a better way to do
it would be to perform this calculation once, and use that
instead for every future occurrence:

dashes =3D '-' * 60=09=09# do it once
      :
print dashes=09=09=09# use whenever
      :
some_loop:
      :
    print dashes=09=09# esp. in loops!

hope this helps!!

-wesley

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

"Core Python Programming", Prentice Hall PTR, =A9 2001
    http://starship.python.net/crew/wesc/cpp/

    wesley.j.chun :: wesc@deirdre.org
    cyberweb.consulting : henderson, nv : cyberweb@rocketmail.com
    http://www.roadkill.com/~wesc/cyberweb/