De-tupleizing a list

[Steven D'Aprano]

On Mon, 25 Apr 2011 20:28:22 -0700, Gnarlodious wrote:

> I have an SQLite query that returns a list of tuples:
> 
> [('0A',), ('1B',), ('2C',), ('3D',),...
> 
> What is the most Pythonic way to loop through the list returning a list
> like this?:
> 
> ['0A', '1B', '2C', '3D',...

Others have pointed you at a list comprehension, but just for completion, 
there's also this:

from operator import itemgetter
map(itemgetter(0), list_of_tuples)

In Python 3, map becomes lazy and returns an iterator instead of a list, 
so you have to wrap it in a call to list().


-- 
Steven