```>>> tuple(f for x in [1,2,3] for f in ...
# developmentw
wide-energy-11069
04/26/2016, 6:29 PM Copy code
>>> tuple(f for x in [1,2,3] for f in [4,5,6])
(4, 5, 6, 4, 5, 6, 4, 5, 6)wide-energy-11069
04/26/2016, 6:29 PM>>> tuple(f for x in [1,2,3] for f in [4,5,6])
(4, 5, 6, 4, 5, 6, 4, 5, 6)