On Wed, Jun 17, 2009 at 3:19 PM, ssc<steven.samuel.c...@gmail.com> wrote: > Hello, > > I am trying to generate this list of tuples: > [(0, ''), (1, 'Dr'), (2, 'Miss'), (3, 'Mr'), (4, 'Mrs'), (5, 'Ms')] > > My code works fine in the Python shell: > >>>> titles = ['Dr', 'Miss', 'Mr', 'Mrs', 'Ms',] >>>> title_choices = [(0, '')] + list((titles.index(t)+1, t) for t in titles) >>>> title_choices > [(0, ''), (1, 'Dr'), (2, 'Miss'), (3, 'Mr'), (4, 'Mrs'), (5, 'Ms')] > > The same code run in a script fails with > NameError: global name 'titles' is not defined > > Does anybody know why ? How can I fix the error ?
See what Emile said, but here's a nicer way to code it, IMHO: titles = ['Dr', 'Miss', 'Mr', 'Mrs', 'Ms'] title_choices = zip(range(len(titles)+1), ['']+titles) zip() to the rescue! Cheers, Chris -- http://blog.rebertia.com -- http://mail.python.org/mailman/listinfo/python-list