On Mon, Apr 13, 2009 at 8:33 PM, WP
<no.i.d...@want.mail.from.spammers.com> wrote:
> Hello, I have dictionary {1:"astring", 2:"anotherstring", etc}
>
> I now want to print:
> "Press 1 for astring"
> "Press 2 for anotherstring" etc
>
> I could do it like this:
> dict = {1:'astring', 2:'anotherstring'}
> for key in dict.keys():
> print 'Press %i for %s' % (key, dict[key])
>
> Press 1 for astring
> Press 2 for anotherstring
>
> but can I use a join instead?
>
Sure. Look up list comprehensions and generator expressions in the docs.
'\n'.join('Press %i for %s' % (key, value) for (key, value) in
d.items()) will get you the entire string. Whether this is better
than what you have done is a consideration I leave to you.
--
kushal
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