How to perform 'Parallel Reverse Array' in SAS.
* Task: Parallel Reverse Array
* Language: SAS
%macro parallel_reverse_array()
* Implementation for Parallel Reverse Array
%let result = ...; * Initialize variable
* TODO: Implement core logic here
* Step 1: Prepare data
* Step 2: Process Parallel Reverse Array
%put("Done");
%mend;