How to perform 'Async Fibonacci Sequence' in Perl.
# Task: Async Fibonacci Sequence
# Language: Perl
sub async_fibonacci_sequence() {
# Implementation for Async Fibonacci Sequence
my $ result = ...; # Initialize variable
# TODO: Implement core logic here
# Step 1: Prepare data
# Step 2: Process Async Fibonacci Sequence
print("Done");
}