> I have two lists, list1 = [ 1, 2, 3, 4, 5, .... 10] and list > = [ 10, 20, 30, > 40, .., 100]. I want to create another list out of these two > lists such that > list3 = [ (1,10), (2,20), (3,30), ..., (10, 100)]. list3 = map(None,list1,list2) Alan G.