How to Parallel Get File Extension in Perl - Code Snippet

# Task: Parallel Get File Extension
# Language: Perl

sub parallel_get_file_extension() {
    # Implementation for Parallel Get File Extension
    my $ result = ...; # Initialize variable
    # TODO: Implement core logic here
    # Step 1: Prepare data
    # Step 2: Process Parallel Get File Extension
    print("Done");
}