wcc wrote: > Beginner learning Python here. I know filter(lambda x: x > 3, [1, 2, > 5, -3, 4, 8]) will give me a list [5, 4, 8]. What if I only need to > find the first item in the list that returns Ture when applying the > filter function. In this case, I only want to get the 5, and its index > 2. Is there a built-in function, or function from a module for that? > I think it is not hard to write a function for this. But knowing > Python is "battery included", I thought I'd like to ask. Thanks for > your help.
You can use a generator expression like this: >>> items = [1, 2, 5, -3, 4, 8] >>> ((index, item) for index, item in enumerate(items) if item > 3).next() (2, 5) -- Michael Hoffman -- http://mail.python.org/mailman/listinfo/python-list
