Hello, I tried out the following code: y=[range(0,7),range(7,14),range(14,21),range(21,28),range(28,35)] >>> y [[0, 1, 2, 3, 4, 5, 6], [7, 8, 9, 10, 11, 12, 13], [14, 15, 16, 17, 18, 19, 20], [21, 22, 23, 24, 25, 26, 27], [28, 29, 30, 31, 32, 33, 34]]
>>> y[1:5:2][::3] [[7, 8, 9, 10, 11, 12, 13]] I expected the 2D list: [[ 7, 10, 13], [21, 24, 27]] Any ideas? Thanks, Rob PS: I used Python 2.7.3
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