Jiang Nutao: > To convert list > aa = [0x12, 0x34, 0x56, 0x78] > into > [0x34, 0x12, 0x78, 0x56] > How to do it fast? My real list is huge.
Note that: >>> a = range(6) >>> a [0, 1, 2, 3, 4, 5] >>> a[::2] [0, 2, 4] >>> a[1::2] [1, 3, 5] So you can do: >>> a[::2], a[1::2] = a[1::2], a[::2] >>> a [1, 0, 3, 2, 5, 4] Bye, bearophile -- http://mail.python.org/mailman/listinfo/python-list
