Strange behavior for a 2D list

Thu Apr 18 16:35:18 EDT 2013

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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