how to join array of integers?
John Machin
sjmachin at lexicon.net
Sat Sep 15 08:51:20 EDT 2007
On Sep 15, 10:36 pm, Summercool <Summercooln... at gmail.com> wrote:
> i think in Ruby, if you have an array (or list) of integers
>
> foo = [1, 2, 3]
>
> you can use foo.join(",") to join them into a string "1,2,3"
>
> in Python... is the method to use ",".join() ? but then it must take
> a list of strings... not integers...
>
> any fast method?
>>> foo = [1,2,3]
>>> ",".join(str(x) for x in foo)
'1,2,3'
>>> ",".join(map(str, foo))
'1,2,3'
>>>
If you are going to write several such results to a file, consider
using the csv module.
HTH,
John
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