Concatenate string list to number list to form title - Logic needed.

Mark Lawrence breamoreboy at yahoo.co.uk
Mon Dec 16 18:43:04 CET 2013


On 16/12/2013 17:16, Ravi Prabakaran wrote:
> Hi,
> I'm completely new to python. I just need simple logic to get output without any loops.
> I have list of string and list of list of numbers.
> Each string should be concatenated with every third and fourth values to generate proper titles in list of strings.
>
> t = ['Start','End']
> a = [[1,2,3,4],
>       [5,6,7,8]]
>
> Expected Result : ( list of strings )
>
> ['Start - 3 , End - 4',
>   'Start - 7 , End - 8']
>
> Note : First 2 values from each list should be ignored.
>
> Could anyone please guide me with best solution without loops ?
>
> Thanks
> Ravi
>

I've no idea what your definition of "best" is but this works.

strings = ['{} - {} , {} - {}'.format(t[0], b[-2], t[1], b[-1]) for b in a]

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence




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