python list comprehensions; compressing a list of lists?

Question

guys. I\'m trying to find the most elegant solution to a problem and wondered if python has anything built-in for what I\'m trying to do.

What I\'m doing is this. I

Answer 1

You can find a good answer in itertools' recipes:

def flatten(listOfLists):
    return list(chain.from_iterable(listOfLists))

(Note: requires Python 2.6+)