[Tutor] Beginner's question: Looping through variable & list simultaneously
Steven D'Aprano
steve at pearwood.info
Tue Dec 3 17:15:28 CET 2013
On Tue, Dec 03, 2013 at 04:04:33PM +0000, Mark Lawrence wrote:
> On 03/12/2013 15:51, Steven D'Aprano wrote:
> >
> >Here's a modification to your earlier code using zip:
> >
> >PopularCountries = ["Brazil", "China", "France", "India", "Vietnam"]
> >Backpackers = 1000000
> >msg = "In %d there were %d backpackers worldwide and their most popular
> >country was %s."
> >for year, country in zip(range(2009, 2014), PopularCountries):
> > Backpackers = Backpackers*1.15
> > print(msg % (year, Backpackers, country))
> >
>
> So much for "There should be one-- and preferably only one --obvious way
> to do it." :)
Huh? Using zip to iterate over multiple sequences in parallel *is* the
obvious way to, um, iterate over multiple sequences in parallel.
--
Steven
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