Removing null items

[sragsdale at my-deja.com]

So I've got a very simple desire: to remove all false (I.E. None, 0, '',
[]) items from a list.

As it is I've got this function which works fine, but it offends my
sight.  Is there any better (or at least different) way to do this?

#################################################################
# return non-null items from the first list
def foo(lst):
    rlist = []
    for i in lst:
        if i:
            rlist.append(i)
    return rlist


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