Creating A Tuple From A List, Adding To Tuple As You Do

Terry Reedy tjreedy at
Thu Jun 5 23:04:56 CEST 2008

"Karsten Heymann" <karsten.heymann at> wrote in message 
news:87ej7casvr.fsf at
| Hi Jeff,
| Jeff Nyman <jeffnyman at> writes:
| > I did try this:
| >
| > for count in range(0, len(DC_List)):
| >     DC_List.insert(count, '')
| On additional note: You can be quite sure you'll never have to iterate
| over the length of a list (or tuple) in python. Just iterate over the
| list itself:
| for DC in DC_List:
|  # do something with DC.

Unless you want to modify the list in place.

for i in range(len(cities)):
    cities[i] = (cities[i], '')

#or perhaps better

for i,city in enumerate(cities):
    cities[i] = (city,'')


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