a = [1,2,3,4] a = a[::-1] print(a) >>> [4,3,2,1]
>>> L = [0,10,20,40] >>> L[::-1] [40, 20, 10, 0]
>>> lst = [1, 2, 3, 4, 5] >>> lst[::-1] [5, 4, 3, 2, 1]