What is the output of this comprehension? [(x, x+1) for x in range(1,5)]
[(x, x+1) for x in range(1,5)]
[1,2,3,4,5]
[(1, 2), (2, 3), (3, 4), (4, 5), (5, 6)]
[(1, 2), (2, 3), (3, 4)]
[(1, 2), (2, 3), (3, 4), (4, 5)]