How to perform 'Parallel Count Vowels' in Tcl.
# Task: Parallel Count Vowels
# Language: Tcl
proc parallel_count_vowels() {
# Implementation for Parallel Count Vowels
set result = ...; # Initialize variable
# TODO: Implement core logic here
# Step 1: Prepare data
# Step 2: Process Parallel Count Vowels
puts("Done");
}