How to Count Vowels in SAS - Code Snippet

* Task: Count Vowels
* Language: SAS

%macro count_vowels() 
    * Implementation for Count Vowels
    %let result = ...; * Initialize variable
    * TODO: Implement core logic here
    * Step 1: Prepare data
    * Step 2: Process Count Vowels
    %put("Done");
%mend;