Reverse `nums` **in-place** and return the mutated array. Variant **#26**.
Example 1
Input: nums = [26,27,28,29,30,31,32,33,34,35,36,37,38,39]
Output: [39,38,37,36,35,34,33,32,31,30,29,28,27,26]
Constraints
Acceptance: 71% · Topics: array, two-pointers