Background

Description

Given an array of ints, swap the first and last elements in the array. Return the modified array. The array length will be at least 1.

Format

Input

Output

Samples

[1 2 3 4]

[4, 2, 3, 1]

[1 2 3]

[3, 2, 1]

[8 6 7 9 5]

[5, 6, 7, 9, 8]

Limitation

1s, 1024KiB for each test case.