Create a list a which contains three tuples. The first tuple should contain a single element, the second two elements and the third three elements.
Print the second element of the second element of a.
Create a list b which contains four lists, each of which contains four elements.
Print the last two elements of the first element of b.

>>> list_a
[1, (2, 3), (4, 5, 6)]
>>> list_a[1][1]
3
f4117bf4e5be0946628974aa23fbcc5002e65936
Create a list a which contains three tuples. The first tuple should contain a single element, the second two elements and the third three elements.
Print the second element of the second element of a.
Create a list b which contains four lists, each of which contains four elements.
Print the last two elements of the first element of b.

>>> list_a
[1, (2, 3), (4, 5, 6)]
>>> list_a[1][1]
3