Reverse `nums` **in-place** and return the mutated array. Variant **#12**.
Example 1
Input: nums = [12,13,14,15,16,17,18,19,20,21,22,23,24,25,26]
Output: [26,25,24,23,22,21,20,19,18,17,16,15,14,13,12]
Constraints
Acceptance: 74% · Topics: array, two-pointers