On Wed, 1 Sep 2010 09:00:03 -0400
Victor Subervi <[email protected]> wrote:
> Hi;
> I have this code:
>
> cursor.execute('describe products;')
> cols = [item[0] for item in cursor]
> cols = cols.reverse()
> cols.append('Delete')
> cols = cols.reverse()
>
> Unfortunately, the list doesn't reverse. If I print cols after the first
> reverse(), it prints None. Please advise.
The reverse() method modifies the list in place, but returns None, so just use
>>> cols.reverse()
rather than
>>> cols = cols.reverse()
> Also, is there a way to append to
> the front of the list directly?
> TIA,
> beno
The insert() method can do this, i.e.
>>> cols.insert(0, 'Delete')
--
Matt Saxton <[email protected]>
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