for i in xrange(0, len(your_list), 2): your_list[i], your_list[i + 1] = your_list[i + 1], your_list[i]
Jiang Nutao wrote: > Hi, > > I simplify my problem like below > > To convert list > aa = [0x12, 0x34, 0x56, 0x78] > into > [0x34, 0x12, 0x78, 0x56] > > How to do it fast? My real list is huge. > > Thanks a lot. > Jason -- http://mail.python.org/mailman/listinfo/python-list