Answer 1

L = [1, 2, 4, 5, 6, 7]

Shift = 2 (to right)

L = [6, 7, 1, 2, 4, 5]

Answer 2

In my example, the first two elements are moved to the right and also the last two elements rotates or became the first two elements.

Coder
I've edited my example.