[Tutor] Appending an extra column in a data file

[Oscar Benjamin]

On 10 April 2013 22:17, eryksun <eryksun at gmail.com> wrote:
>
> But I think it's more readable to break up a long line like this:
>
>     fin = open('old.dat')
>     fout = open('new.dat', 'w')
>
>     with fin, fout:
>         for line in fin:

This has the same problems as contextlib.nested: An error raised while
opening 'new.dat' could prevent 'old.dat' from being closed properly.


Oscar