maximum value in a column of file

[maurizio]

i tryed to use the module max of numpy,
the problem is that i don't know how to put the column of the file in an 
array.
(i'm new in phyton).
 anyway if you think there is a better way.....

Fredrik Lundh wrote:
> <div class="moz-text-flowed" style="font-family: -moz-fixed">maurizio 
> wrote:
>
>> which is the best way for the calculation of the maximum value in 
>> a    column of a file?
>
> what approach have you tried, and what happened when you tried it?
>
> </F>
>
>
> </div>