"Steven Bethard" > For a given list: > * If all values are None, the function should return None. > * If at least one value is True, the function should return True. > * Otherwise, the function should return False.
One more approach, just for grins: s = set(lst) return True in s or s == set([None]) and None Raymond Hettinger -- http://mail.python.org/mailman/listinfo/python-list