shuffle a nested list

[giorgosmarga]

You are right i didnt give much details.I updated my post

Never change original post, explain and clarify in subsequent comments. Otherwise thread doesn't make sense for readers.

I don't get how this code can produce: "every sublist has the same order". There are no sublists, there are None-s:

>>> emptylist = []
>>> emptylist.append(random.shuffle([1, 2, 3]))
>>> emptylist
[None]