This works for me.
#+BEGIN_SRC python
x = [["label 1", "label 2", "label 3"]]
x.append(None)
x.append((4, 5, 6))
x.append((7, 8, 9))
return (x)
#+END_SRC#+RESULTS: | label 1 | label 2 | label 3 | |---------+---------+---------| | 4 | 5 | 6 | | 7 | 8 | 9 | Arun
