As an FYI, nosferatu-man's and my solutions are better than S. Carton's, but require Python 2.4. The "key" parameter to sort/sorted does a "Decorate-Sort-Undecorate"[1] automatically, whereas the ...

Conclusion If you want to get 4th element from an array, you should extract the element that is present at index 3. Generalizing If you want to get the nth element from an array, you should extract ...

So to create a nested list array, you can do that with lists of lists or object numpy arrays with arrays as elements. We could expand this support to multi-dimensional numpy arrays. I am not sure we ...