for(each) element aliasing

[Will McGugan]

Matija Papec wrote:
> I know how to alter the list via list indicies but I would like to know if
> there is posibility to write in Python something like:
> 
> my @arr = 1..3;
> for my $element (@arr) {
>   $element *= 2;
> }
> print "@arr\n";
> 
> and get the result
> -------
> 2 4 6
> 
> 

Something like this?

arr= range(1,4)
for index, value in enumerate( arr):
	arr[index]*= 2

print arr

Regards,

Will McGugan