How to Async Count Vowels in Tcl - Code Snippet

# Task: Async Count Vowels
# Language: Tcl

proc async_count_vowels() {
    # Implementation for Async Count Vowels
    set result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Async Count Vowels
    puts("Done");
}